45531456 has 28 divisors (see below), whose sum is σ = 120469152. Its totient is φ = 15177088.

The previous prime is 45531449. The next prime is 45531461. The reversal of 45531456 is 65413554.

It is a super-2 number, since 2×45531456² = 4146226970959872, which contains 22 as substring.

It is a congruent number.

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, 118380 + ... + 118763.

Almost surely, 2^45531456 is an apocalyptic number.

It is an amenable number.

45531456 is an abundant number, since it is smaller than the sum of its proper divisors (74937696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45531456 is a wasteful number, since it uses less digits than its factorization.

45531456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237158 (or 237148 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 45531456 is about 6747.7000526105. The cubic root of 45531456 is about 357.0841001091.

The spelling of 45531456 in words is "forty-five million, five hundred thirty-one thousand, four hundred fifty-six".