45144528464 has 40 divisors (see below), whose sum is σ = 99976904640. Its totient is φ = 19344941568.

The previous prime is 45144528463. The next prime is 45144528487. The reversal of 45144528464 is 46482544154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144528461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913247 + ... + 961409.

It is an arithmetic number, because the mean of its divisors is an integer number (2499422616).

Almost surely, 2^45144528464 is an apocalyptic number.

It is an amenable number.

45144528464 is an abundant number, since it is smaller than the sum of its proper divisors (54832376176).

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

45144528464 is a wasteful number, since it uses less digits than its factorization.

45144528464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56547 (or 56541 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 47.

The spelling of 45144528464 in words is "forty-five billion, one hundred forty-four million, five hundred twenty-eight thousand, four hundred sixty-four".