45511372 has 12 divisors (see below), whose sum is σ = 81497416. Its totient is φ = 22226400.

The previous prime is 45511357. The next prime is 45511387. The reversal of 45511372 is 27311554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45511357) and next prime (45511387).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45511372.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132129 + ... + 132472.

Almost surely, 2^45511372 is an apocalyptic number.

It is an amenable number.

45511372 is a deficient number, since it is larger than the sum of its proper divisors (35986044).

45511372 is a wasteful number, since it uses less digits than its factorization.

45511372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264648 (or 264646 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 45511372 is about 6746.2116776751. The cubic root of 45511372 is about 357.0315889264.

The spelling of 45511372 in words is "forty-five million, five hundred eleven thousand, three hundred seventy-two".