545512146 has 32 divisors (see below), whose sum is σ = 1147488768. Its totient is φ = 172648320.

The previous prime is 545512139. The next prime is 545512151. The reversal of 545512146 is 641215545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17811 + ... + 37526.

It is an arithmetic number, because the mean of its divisors is an integer number (35859024).

Almost surely, 2^545512146 is an apocalyptic number.

545512146 is an abundant number, since it is smaller than the sum of its proper divisors (601976622).

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

545512146 is a wasteful number, since it uses less digits than its factorization.

545512146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55426.

The product of its digits is 24000, while the sum is 33.

The square root of 545512146 is about 23356.2014462969. The cubic root of 545512146 is about 817.0867003428.

The spelling of 545512146 in words is "five hundred forty-five million, five hundred twelve thousand, one hundred forty-six".