45512532644 has 48 divisors (see below), whose sum is σ = 81432533952. Its totient is φ = 22251791232.

The previous prime is 45512532547. The next prime is 45512532679. The reversal of 45512532644 is 44623521554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22789454 + ... + 22791450.

It is an arithmetic number, because the mean of its divisors is an integer number (1696511124).

Almost surely, 2^45512532644 is an apocalyptic number.

It is an amenable number.

45512532644 is a deficient number, since it is larger than the sum of its proper divisors (35920001308).

45512532644 is a wasteful number, since it uses less digits than its factorization.

45512532644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2650 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The spelling of 45512532644 in words is "forty-five billion, five hundred twelve million, five hundred thirty-two thousand, six hundred forty-four".