45198916 has 12 divisors (see below), whose sum is σ = 90397888. Its totient is φ = 19370952.

The previous prime is 45198911. The next prime is 45198931. The reversal of 45198916 is 61989154.

45198916 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (45198911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807096 + ... + 807151.

Almost surely, 2^45198916 is an apocalyptic number.

It is an amenable number.

45198916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45198916 is a wasteful number, since it uses less digits than its factorization.

45198916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614258 (or 1614256 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 45198916 is about 6723.0139074674. The cubic root of 45198916 is about 356.2126512195.

The spelling of 45198916 in words is "forty-five million, one hundred ninety-eight thousand, nine hundred sixteen".