45198912 has 56 divisors (see below), whose sum is σ = 130466592. Its totient is φ = 13696000.

The previous prime is 45198911. The next prime is 45198931. The reversal of 45198912 is 21989154.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8589 + ... + 12812.

Almost surely, 2^45198912 is an apocalyptic number.

It is an amenable number.

45198912 is an abundant number, since it is smaller than the sum of its proper divisors (85267680).

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

45198912 is a wasteful number, since it uses less digits than its factorization.

45198912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21427 (or 21417 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 45198912 is about 6723.0136099818. The cubic root of 45198912 is about 356.2126407115.

It can be divided in two parts, 4519 and 8912, that added together give a palindrome (13431).

The spelling of 45198912 in words is "forty-five million, one hundred ninety-eight thousand, nine hundred twelve".