45523472 has 20 divisors (see below), whose sum is σ = 88348140. Its totient is φ = 22723968.

The previous prime is 45523451. The next prime is 45523483. The reversal of 45523472 is 27432554.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 23658496 = 4676^2 + 4864^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 9338 + ... + 13350.

It is an arithmetic number, because the mean of its divisors is an integer number (4417407).

Almost surely, 2^45523472 is an apocalyptic number.

It is an amenable number.

45523472 is a deficient number, since it is larger than the sum of its proper divisors (42824668).

45523472 is a wasteful number, since it uses less digits than its factorization.

45523472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730 (or 4724 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 45523472 is about 6747.1084176853. The cubic root of 45523472 is about 357.0632271686.

The spelling of 45523472 in words is "forty-five million, five hundred twenty-three thousand, four hundred seventy-two".