45155672 has 24 divisors (see below), whose sum is σ = 89944860. Its totient is φ = 21248640.

The previous prime is 45155659. The next prime is 45155681. The reversal of 45155672 is 27655154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7454 + ... + 12077.

Almost surely, 2^45155672 is an apocalyptic number.

It is an amenable number.

45155672 is a deficient number, since it is larger than the sum of its proper divisors (44789188).

45155672 is a wasteful number, since it uses less digits than its factorization.

45155672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19571 (or 19550 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 45155672 is about 6719.7970207440. The cubic root of 45155672 is about 356.0990129845.

The spelling of 45155672 in words is "forty-five million, one hundred fifty-five thousand, six hundred seventy-two".