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145304406765 = 34571729103963
BaseRepresentation
bin1000011101010011010…
…0010100101011101101
3111220001111212122220000
42013110310110223231
54340040412004030
6150430225414513
713332531036030
oct2072464245355
9456044778800
10145304406765
1156694605491
12241b219a439
131091880241b
147065ccd017
153ba6757860
hex21d4d14aed

145304406765 has 160 divisors (see below), whose sum is σ = 326064372480. Its totient is φ = 60361168896.

The previous prime is 145304406733. The next prime is 145304406787. The reversal of 145304406765 is 567604403541.

145304406765 is a `hidden beast` number, since 1 + 4 + 530 + 4 + 40 + 6 + 76 + 5 = 666.

145304406765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145304406765 - 25 = 145304406733 is a prime.

It is a super-2 number, since 2×1453044067652 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145304406765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1345674 + ... + 1449636.

It is an arithmetic number, because the mean of its divisors is an integer number (2037902328).

Almost surely, 2145304406765 is an apocalyptic number.

145304406765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145304406765 is an abundant number, since it is smaller than the sum of its proper divisors (180759965715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145304406765 is a wasteful number, since it uses less digits than its factorization.

145304406765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104033 (or 104024 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 145304406765 in words is "one hundred forty-five billion, three hundred four million, four hundred six thousand, seven hundred sixty-five".

Divisors: 1 3 5 7 9 15 17 21 27 29 35 45 51 63 81 85 87 105 119 135 145 153 189 203 255 261 315 357 405 435 459 493 567 595 609 765 783 945 1015 1071 1305 1377 1479 1785 1827 2295 2349 2465 2835 3045 3213 3451 3915 4437 5355 5481 6885 7395 9135 9639 10353 11745 13311 16065 16443 17255 22185 27405 31059 39933 48195 51765 66555 82215 93177 103963 155295 199665 279531 311889 465885 519815 727741 935667 1397655 1559445 1767371 2183223 2807001 3014927 3638705 4678335 5302113 6549669 8421003 8836855 9044781 10916115 12371597 14035005 15074635 15906339 19649007 21104489 26510565 27134343 32748345 37114791 42105015 45223905 47719017 51253759 58947021 61857985 63313467 79531695 81403029 98245035 105522445 111344373 135671715 143157051 153761277 185573955 189940401 238595085 244209087 256268795 294735105 316567335 334033119 358776313 407015145 461283831 556721865 569821203 715785255 768806385 949702005 1002099357 1076328939 1221045435 1383851493 1670165595 1709463609 1793881565 2306419155 2849106015 3228986817 4151554479 5010496785 5381644695 6919257465 8547318045 9686960451 16144934085 20757772395 29060881353 48434802255 145304406765