45155646 has 24 divisors (see below), whose sum is σ = 98208864. Its totient is φ = 14994720.

The previous prime is 45155599. The next prime is 45155659. The reversal of 45155646 is 64655154.

45155646 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 5 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 45155646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250 + ... + 9506.

It is an arithmetic number, because the mean of its divisors is an integer number (4092036).

Almost surely, 2^45155646 is an apocalyptic number.

45155646 is an abundant number, since it is smaller than the sum of its proper divisors (53053218).

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

45155646 is a wasteful number, since it uses less digits than its factorization.

45155646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536 (or 9533 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 45155646 is about 6719.7950861615. The cubic root of 45155646 is about 356.0989446389.

The spelling of 45155646 in words is "forty-five million, one hundred fifty-five thousand, six hundred forty-six".