45651532 has 12 divisors (see below), whose sum is σ = 81839016. Its totient is φ = 22268960.

The previous prime is 45651521. The next prime is 45651553. The reversal of 45651532 is 23515654.

It is a junction number, because it is equal to n+sod(n) for n = 45651494 and 45651503.

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, 139018 + ... + 139345.

It is an arithmetic number, because the mean of its divisors is an integer number (6819918).

Almost surely, 2^45651532 is an apocalyptic number.

It is an amenable number.

45651532 is a deficient number, since it is larger than the sum of its proper divisors (36187484).

45651532 is a wasteful number, since it uses less digits than its factorization.

45651532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278408 (or 278406 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 45651532 is about 6756.5917443634. The cubic root of 45651532 is about 357.3977264619.

The spelling of 45651532 in words is "forty-five million, six hundred fifty-one thousand, five hundred thirty-two".