45442488 has 64 divisors (see below), whose sum is σ = 139829760. Its totient is φ = 11984256.

The previous prime is 45442469. The next prime is 45442511. The reversal of 45442488 is 88424454.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8220 + ... + 12587.

It is an arithmetic number, because the mean of its divisors is an integer number (2184840).

Almost surely, 2^45442488 is an apocalyptic number.

It is an amenable number.

45442488 is an abundant number, since it is smaller than the sum of its proper divisors (94387272).

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

45442488 is a wasteful number, since it uses less digits than its factorization.

45442488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836 (or 20832 counting only the distinct ones).

The product of its digits is 163840, while the sum is 39.

The square root of 45442488 is about 6741.1043605629. The cubic root of 45442488 is about 356.8513688968.

The spelling of 45442488 in words is "forty-five million, four hundred forty-two thousand, four hundred eighty-eight".