45190864 has 10 divisors (see below), whose sum is σ = 87557330. Its totient is φ = 22595424.

The previous prime is 45190843. The next prime is 45190891. The reversal of 45190864 is 46809154.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 193600 = 6708^2 + 440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412199 + ... + 1412230.

It is an arithmetic number, because the mean of its divisors is an integer number (8755733).

Almost surely, 2^45190864 is an apocalyptic number.

It is an amenable number.

45190864 is a deficient number, since it is larger than the sum of its proper divisors (42366466).

45190864 is a wasteful number, since it uses less digits than its factorization.

45190864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824437 (or 2824431 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45190864 is about 6722.4150422300. The cubic root of 45190864 is about 356.1914973596.

The spelling of 45190864 in words is "forty-five million, one hundred ninety thousand, eight hundred sixty-four".