45597639138 has 32 divisors (see below), whose sum is σ = 92341166400. Its totient is φ = 15008931840.

The previous prime is 45597639137. The next prime is 45597639163. The reversal of 45597639138 is 83193679554.

45597639138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45597639137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174073 + ... + 348563.

It is an arithmetic number, because the mean of its divisors is an integer number (2885661450).

Almost surely, 2^45597639138 is an apocalyptic number.

45597639138 is an abundant number, since it is smaller than the sum of its proper divisors (46743527262).

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

45597639138 is a wasteful number, since it uses less digits than its factorization.

45597639138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175042.

The product of its digits is 24494400, while the sum is 60.

The spelling of 45597639138 in words is "forty-five billion, five hundred ninety-seven million, six hundred thirty-nine thousand, one hundred thirty-eight".