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155374045 = 5163311613
BaseRepresentation
bin10010100001011…
…01000111011101
3101211100211010021
421100231013131
5304233432140
623230112141
73564441361
oct1120550735
9354324107
10155374045
117a782902
124404b651
1326261008
14168c72a1
15d991b4a
hex942d1dd

155374045 has 16 divisors (see below), whose sum is σ = 188502912. Its totient is φ = 122938560.

The previous prime is 155374031. The next prime is 155374049. The reversal of 155374045 is 540473551.

155374045 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 155374045 - 25 = 155374013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155374045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155374049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253159 + ... + 253771.

It is an arithmetic number, because the mean of its divisors is an integer number (11781432).

Almost surely, 2155374045 is an apocalyptic number.

It is an amenable number.

155374045 is a deficient number, since it is larger than the sum of its proper divisors (33128867).

155374045 is a wasteful number, since it uses less digits than its factorization.

155374045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 155374045 is about 12464.9125548477. The cubic root of 155374045 is about 537.6002855964.

The spelling of 155374045 in words is "one hundred fifty-five million, three hundred seventy-four thousand, forty-five".

Divisors: 1 5 163 311 613 815 1555 3065 50693 99919 190643 253465 499595 953215 31074809 155374045