545254144 has 36 divisors (see below), whose sum is σ = 1111559904. Its totient is φ = 266820608.

The previous prime is 545254111. The next prime is 545254159. The reversal of 545254144 is 441452545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10627 + ... + 34690.

It is an arithmetic number, because the mean of its divisors is an integer number (30876664).

Almost surely, 2^545254144 is an apocalyptic number.

It is an amenable number.

545254144 is an abundant number, since it is smaller than the sum of its proper divisors (566305760).

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

545254144 is an equidigital number, since it uses as much as digits as its factorization.

545254144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45380 (or 45366 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 545254144 is about 23350.6775918816. The cubic root of 545254144 is about 816.9578652975.

The spelling of 545254144 in words is "five hundred forty-five million, two hundred fifty-four thousand, one hundred forty-four".