545123544 has 64 divisors (see below), whose sum is σ = 1560384000. Its totient is φ = 155460864.

The previous prime is 545123543. The next prime is 545123549. The reversal of 545123544 is 445321545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545123543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97924 + ... + 103340.

It is an arithmetic number, because the mean of its divisors is an integer number (24381000).

Almost surely, 2^545123544 is an apocalyptic number.

It is an amenable number.

545123544 is an abundant number, since it is smaller than the sum of its proper divisors (1015260456).

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

545123544 is a wasteful number, since it uses less digits than its factorization.

545123544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032 (or 6028 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 545123544 is about 23347.8809316820. The cubic root of 545123544 is about 816.8926338099.

The spelling of 545123544 in words is "five hundred forty-five million, one hundred twenty-three thousand, five hundred forty-four".