45320512 has 56 divisors (see below), whose sum is σ = 94804992. Its totient is φ = 21465600.

The previous prime is 45320489. The next prime is 45320531. The reversal of 45320512 is 21502354.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104937 + ... + 105367.

Almost surely, 2^45320512 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 45320512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47402496).

45320512 is an abundant number, since it is smaller than the sum of its proper divisors (49484480).

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

45320512 is a wasteful number, since it uses less digits than its factorization.

45320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45320512 is about 6732.0510990336. The cubic root of 45320512 is about 356.5317978833.

Adding to 45320512 its reverse (21502354), we get a palindrome (66822866).

The spelling of 45320512 in words is "forty-five million, three hundred twenty thousand, five hundred twelve".