545251163156 has 24 divisors (see below), whose sum is σ = 1090520738496. Its totient is φ = 233675124480.

The previous prime is 545251163131. The next prime is 545251163159. The reversal of 545251163156 is 651361152545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545251163159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044100 + ... + 2295396.

It is an arithmetic number, because the mean of its divisors is an integer number (45438364104).

Almost surely, 2^545251163156 is an apocalyptic number.

It is an amenable number.

545251163156 is an abundant number, since it is smaller than the sum of its proper divisors (545269575340).

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

545251163156 is a wasteful number, since it uses less digits than its factorization.

545251163156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328799 (or 328797 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The spelling of 545251163156 in words is "five hundred forty-five billion, two hundred fifty-one million, one hundred sixty-three thousand, one hundred fifty-six".