545442056124 has 48 divisors (see below), whose sum is σ = 1474436990208. Its totient is φ = 153705783168.

The previous prime is 545442056119. The next prime is 545442056143. The reversal of 545442056124 is 421650244545.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 44468922 + ... + 44481185.

It is an arithmetic number, because the mean of its divisors is an integer number (30717437296).

Almost surely, 2^545442056124 is an apocalyptic number.

It is an amenable number.

545442056124 is an abundant number, since it is smaller than the sum of its proper divisors (928994934084).

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

545442056124 is a wasteful number, since it uses less digits than its factorization.

545442056124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88950194 (or 88950192 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 545442056124 in words is "five hundred forty-five billion, four hundred forty-two million, fifty-six thousand, one hundred twenty-four".