45420135132 has 48 divisors (see below), whose sum is σ = 116408597760. Its totient is φ = 13719581568.

The previous prime is 45420134959. The next prime is 45420135143. The reversal of 45420135132 is 23153102454.

It is a self number, because there is not a number n which added to its sum of digits gives 45420135132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4325433 + ... + 4335920.

It is an arithmetic number, because the mean of its divisors is an integer number (2425179120).

Almost surely, 2^45420135132 is an apocalyptic number.

It is an amenable number.

45420135132 is an abundant number, since it is smaller than the sum of its proper divisors (70988462628).

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

45420135132 is a wasteful number, since it uses less digits than its factorization.

45420135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661402 (or 8661400 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 45420135132 its reverse (23153102454), we get a palindrome (68573237586).

The spelling of 45420135132 in words is "forty-five billion, four hundred twenty million, one hundred thirty-five thousand, one hundred thirty-two".