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145230684465 = 3519274336097
BaseRepresentation
bin1000011101000001101…
…1000110000100110001
3111212212101011011220110
42013100123012010301
54334413023400330
6150415033331533
713330644310146
oct2072033060461
9455771134813
10145230684465
1156656a31869
1224191566ba9
131090645c569
14705a1bc3cd
153ba0043db0
hex21d06c6131

145230684465 has 48 divisors (see below), whose sum is σ = 245579603328. Its totient is φ = 73278922752.

The previous prime is 145230684383. The next prime is 145230684479. The reversal of 145230684465 is 564486032541.

It is not a de Polignac number, because 145230684465 - 214 = 145230668081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4005297 + ... + 4041393.

It is an arithmetic number, because the mean of its divisors is an integer number (5116241736).

Almost surely, 2145230684465 is an apocalyptic number.

145230684465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145230684465 is a deficient number, since it is larger than the sum of its proper divisors (100348918863).

145230684465 is a wasteful number, since it uses less digits than its factorization.

145230684465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36886 (or 36867 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 145230684465 in words is "one hundred forty-five billion, two hundred thirty million, six hundred eighty-four thousand, four hundred sixty-five".

Divisors: 1 3 5 15 19 57 95 285 361 743 1083 1805 2229 3715 5415 11145 14117 36097 42351 70585 108291 180485 211755 268223 541455 685843 804669 1341115 2057529 3429215 4023345 10287645 13031017 26820071 39093051 65155085 80460213 134100355 195465255 402301065 509581349 1528744047 2547906745 7643720235 9682045631 29046136893 48410228155 145230684465