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145122532320 = 2535793827071
BaseRepresentation
bin1000011100100111111…
…0100001101111100000
3111212120211122111001110
42013021332201233200
54334202332013240
6150400211303320
713325162112603
oct2071176415740
9455524574043
10145122532320
1156600982527
12241612aab40
13108b9c232cc
147049aa833a
153b957cdc80
hex21c9fa1be0

145122532320 has 96 divisors (see below), whose sum is σ = 462922629120. Its totient is φ = 38209466880.

The previous prime is 145122532307. The next prime is 145122532351. The reversal of 145122532320 is 23235221541.

145122532320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 1875616 + ... + 1951455.

It is an arithmetic number, because the mean of its divisors is an integer number (4822110720).

Almost surely, 2145122532320 is an apocalyptic number.

145122532320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145122532320 is an abundant number, since it is smaller than the sum of its proper divisors (317800096800).

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

145122532320 is a wasteful number, since it uses less digits than its factorization.

145122532320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827168 (or 3827160 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 145122532320 its reverse (23235221541), we get a palindrome (168357753861).

The spelling of 145122532320 in words is "one hundred forty-five billion, one hundred twenty-two million, five hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 79 80 96 120 158 160 237 240 316 395 474 480 632 790 948 1185 1264 1580 1896 2370 2528 3160 3792 4740 6320 7584 9480 12640 18960 37920 3827071 7654142 11481213 15308284 19135355 22962426 30616568 38270710 45924852 57406065 61233136 76541420 91849704 114812130 122466272 153082840 183699408 229624260 302338609 306165680 367398816 459248520 604677218 612331360 907015827 918497040 1209354436 1511693045 1814031654 1836994080 2418708872 3023386090 3628063308 4535079135 4837417744 6046772180 7256126616 9070158270 9674835488 12093544360 14512253232 18140316540 24187088720 29024506464 36280633080 48374177440 72561266160 145122532320