545144441431125 has 16 divisors (see below), whose sum is σ = 907120350542016. Its totient is φ = 290743702096400.

The previous prime is 545144441431103. The next prime is 545144441431133. The reversal of 545144441431125 is 521134144441545.

It is a happy number.

It is not a de Polignac number, because 545144441431125 - 2⁶ = 545144441431061 is a prime.

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, 726859254867 + ... + 726859255616.

It is an arithmetic number, because the mean of its divisors is an integer number (56695021908876).

Almost surely, 2^{545144441431125} is an apocalyptic number.

It is an amenable number.

545144441431125 is a deficient number, since it is larger than the sum of its proper divisors (361975909110891).

545144441431125 is a wasteful number, since it uses less digits than its factorization.

545144441431125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453718510501 (or 1453718510491 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 48.

The spelling of 545144441431125 in words is "five hundred forty-five trillion, one hundred forty-four billion, four hundred forty-one million, four hundred thirty-one thousand, one hundred twenty-five".