45137721425732 has 72 divisors (see below), whose sum is σ = 86962376329920. Its totient is φ = 20486565939840.

The previous prime is 45137721425689. The next prime is 45137721425779. The reversal of 45137721425732 is 23752412773154.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17461643 + ... + 19879245.

It is an arithmetic number, because the mean of its divisors is an integer number (1207810782360).

Almost surely, 2^{45137721425732} is an apocalyptic number.

It is an amenable number.

45137721425732 is a deficient number, since it is larger than the sum of its proper divisors (41824654904188).

45137721425732 is a wasteful number, since it uses less digits than its factorization.

45137721425732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418093 (or 2418078 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 53.

The spelling of 45137721425732 in words is "forty-five trillion, one hundred thirty-seven billion, seven hundred twenty-one million, four hundred twenty-five thousand, seven hundred thirty-two".