45031712 has 24 divisors (see below), whose sum is σ = 96716592. Its totient is φ = 20468800.

The previous prime is 45031711. The next prime is 45031741. The reversal of 45031712 is 21713054.

It is not an unprimeable number, because it can be changed into a prime (45031711) 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, 63614 + ... + 64317.

It is an arithmetic number, because the mean of its divisors is an integer number (4029858).

Almost surely, 2^45031712 is an apocalyptic number.

It is an amenable number.

45031712 is an abundant number, since it is smaller than the sum of its proper divisors (51684880).

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

45031712 is a wasteful number, since it uses less digits than its factorization.

45031712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127952 (or 127944 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 45031712 is about 6710.5671891428. The cubic root of 45031712 is about 355.7728635709.

Adding to 45031712 its reverse (21713054), we get a palindrome (66744766).

The spelling of 45031712 in words is "forty-five million, thirty-one thousand, seven hundred twelve".