45315984 has 60 divisors (see below), whose sum is σ = 136186224. Its totient is φ = 12946752.

The previous prime is 45315971. The next prime is 45315989. The reversal of 45315984 is 48951354.

It is not an unprimeable number, because it can be changed into a prime (45315989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7282 + ... + 11985.

Almost surely, 2^45315984 is an apocalyptic number.

It is an amenable number.

45315984 is an abundant number, since it is smaller than the sum of its proper divisors (90870240).

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

45315984 is a wasteful number, since it uses less digits than its factorization.

45315984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292 (or 19279 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 45315984 is about 6731.7147889672. The cubic root of 45315984 is about 356.5199237180.

The spelling of 45315984 in words is "forty-five million, three hundred fifteen thousand, nine hundred eighty-four".