45132872 has 16 divisors (see below), whose sum is σ = 84706560. Its totient is φ = 22544464.

The previous prime is 45132851. The next prime is 45132911. The reversal of 45132872 is 27823154.

It is a super-2 number, since 2×45132872² = 4073952269936768, which contains 22 as substring.

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, 8873 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (5294160).

Almost surely, 2^45132872 is an apocalyptic number.

It is an amenable number.

45132872 is a deficient number, since it is larger than the sum of its proper divisors (39573688).

45132872 is a wasteful number, since it uses less digits than its factorization.

45132872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5496 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 45132872 is about 6718.1003267293. The cubic root of 45132872 is about 356.0390690616.

The spelling of 45132872 in words is "forty-five million, one hundred thirty-two thousand, eight hundred seventy-two".