45319624 has 32 divisors (see below), whose sum is σ = 97413120. Its totient is φ = 19362816.

The previous prime is 45319619. The next prime is 45319633. The reversal of 45319624 is 42691354.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45319624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20392 + ... + 22504.

It is an arithmetic number, because the mean of its divisors is an integer number (3044160).

Almost surely, 2^45319624 is an apocalyptic number.

It is an amenable number.

45319624 is an abundant number, since it is smaller than the sum of its proper divisors (52093496).

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

45319624 is a wasteful number, since it uses less digits than its factorization.

45319624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2505 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 45319624 is about 6731.9851455570. The cubic root of 45319624 is about 356.5294692666.

The spelling of 45319624 in words is "forty-five million, three hundred nineteen thousand, six hundred twenty-four".