45312064 has 42 divisors (see below), whose sum is σ = 104603550. Its totient is φ = 19418112.

The previous prime is 45312061. The next prime is 45312073. The reversal of 45312064 is 46021354.

It can be written as a sum of positive squares in only one way, i.e., 45158400 + 153664 = 6720^2 + 392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4089 + ... + 10360.

Almost surely, 2^45312064 is an apocalyptic number.

It is an amenable number.

45312064 is an abundant number, since it is smaller than the sum of its proper divisors (59291486).

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

45312064 is a wasteful number, since it uses less digits than its factorization.

45312064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475 (or 14458 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 45312064 is about 6731.4236235732. The cubic root of 45312064 is about 356.5096433248.

The spelling of 45312064 in words is "forty-five million, three hundred twelve thousand, sixty-four".