45442736138128 has 40 divisors (see below), whose sum is σ = 100629113217408. Its totient is φ = 19474314131712.

The previous prime is 45442736138003. The next prime is 45442736138183. The reversal of 45442736138128 is 82183163724454.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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, 10002676 + ... + 13818067.

Almost surely, 2^{45442736138128} is an apocalyptic number.

It is an amenable number.

45442736138128 is an abundant number, since it is smaller than the sum of its proper divisors (55186377079280).

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

45442736138128 is a wasteful number, since it uses less digits than its factorization.

45442736138128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23837791 (or 23837785 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 58.

The spelling of 45442736138128 in words is "forty-five trillion, four hundred forty-two billion, seven hundred thirty-six million, one hundred thirty-eight thousand, one hundred twenty-eight".