45712512 has 80 divisors (see below), whose sum is σ = 136070550. Its totient is φ = 15234048.

The previous prime is 45712493. The next prime is 45712543. The reversal of 45712512 is 21521754.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 876096 = 6696^2 + 936^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8164 + ... + 12572.

Almost surely, 2^45712512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45712512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68035275).

45712512 is an abundant number, since it is smaller than the sum of its proper divisors (90358038).

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

45712512 is an equidigital number, since it uses as much as digits as its factorization.

45712512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435 (or 4414 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 45712512 is about 6761.1028686154. The cubic root of 45712512 is about 357.5567895179.

The spelling of 45712512 in words is "forty-five million, seven hundred twelve thousand, five hundred twelve".