45155612 has 24 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 22156848.

The previous prime is 45155599. The next prime is 45155659. The reversal of 45155612 is 21655154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51893 + ... + 52755.

It is an arithmetic number, because the mean of its divisors is an integer number (3354624).

Almost surely, 2^45155612 is an apocalyptic number.

It is an amenable number.

45155612 is a deficient number, since it is larger than the sum of its proper divisors (35355364).

45155612 is a wasteful number, since it uses less digits than its factorization.

45155612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1095 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 45155612 is about 6719.7925563220. The cubic root of 45155612 is about 356.0988552638.

The spelling of 45155612 in words is "forty-five million, one hundred fifty-five thousand, six hundred twelve".