45393312 has 24 divisors (see below), whose sum is σ = 119157696. Its totient is φ = 15131072.

The previous prime is 45393311. The next prime is 45393317. The reversal of 45393312 is 21339354.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 45393312.

It is not an unprimeable number, because it can be changed into a prime (45393311) 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 3 ways as a sum of consecutive naturals, for example, 236328 + ... + 236519.

It is an arithmetic number, because the mean of its divisors is an integer number (4964904).

Almost surely, 2^45393312 is an apocalyptic number.

It is an amenable number.

45393312 is an abundant number, since it is smaller than the sum of its proper divisors (73764384).

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

45393312 is a wasteful number, since it uses less digits than its factorization.

45393312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472860 (or 472852 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 45393312 is about 6737.4558996701. The cubic root of 45393312 is about 356.7225991222.

The spelling of 45393312 in words is "forty-five million, three hundred ninety-three thousand, three hundred twelve".