45398012 has 48 divisors (see below), whose sum is σ = 90768384. Its totient is φ = 19680000.

The previous prime is 45397987. The next prime is 45398027. The reversal of 45398012 is 21089354.

It is a self number, because there is not a number n which added to its sum of digits gives 45398012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113012 + ... + 113412.

It is an arithmetic number, because the mean of its divisors is an integer number (1891008).

Almost surely, 2^45398012 is an apocalyptic number.

It is an amenable number.

45398012 is a deficient number, since it is larger than the sum of its proper divisors (45370372).

45398012 is a wasteful number, since it uses less digits than its factorization.

45398012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 45398012 is about 6737.8046869882. The cubic root of 45398012 is about 356.7349103216.

The spelling of 45398012 in words is "forty-five million, three hundred ninety-eight thousand, twelve".