45315388 has 12 divisors (see below), whose sum is σ = 79508520. Its totient is φ = 22598672.

The previous prime is 45315377. The next prime is 45315409. The reversal of 45315388 is 88351354.

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, 13006 + ... + 16117.

It is an arithmetic number, because the mean of its divisors is an integer number (6625710).

Almost surely, 2^45315388 is an apocalyptic number.

It is an amenable number.

45315388 is a deficient number, since it is larger than the sum of its proper divisors (34193132).

45315388 is a wasteful number, since it uses less digits than its factorization.

45315388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29516 (or 29514 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 45315388 is about 6731.6705207549. The cubic root of 45315388 is about 356.5183607169.

The spelling of 45315388 in words is "forty-five million, three hundred fifteen thousand, three hundred eighty-eight".