45318388 has 24 divisors (see below), whose sum is σ = 81674208. Its totient is φ = 21989856.

The previous prime is 45318359. The next prime is 45318389. The reversal of 45318388 is 88381354.

It is a self number, because there is not a number n which added to its sum of digits gives 45318388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45318389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28995 + ... + 30517.

It is an arithmetic number, because the mean of its divisors is an integer number (3403092).

Almost surely, 2^45318388 is an apocalyptic number.

It is an amenable number.

45318388 is a deficient number, since it is larger than the sum of its proper divisors (36355820).

45318388 is a wasteful number, since it uses less digits than its factorization.

45318388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1741 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 45318388 is about 6731.8933443720. The cubic root of 45318388 is about 356.5262280332.

The spelling of 45318388 in words is "forty-five million, three hundred eighteen thousand, three hundred eighty-eight".