545143244 has 24 divisors (see below), whose sum is σ = 973969920. Its totient is φ = 266902544.

The previous prime is 545143229. The next prime is 545143273. The reversal of 545143244 is 442341545.

545143244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 545143244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57677 + ... + 66459.

It is an arithmetic number, because the mean of its divisors is an integer number (40582080).

Almost surely, 2^545143244 is an apocalyptic number.

It is an amenable number.

545143244 is a deficient number, since it is larger than the sum of its proper divisors (428826676).

545143244 is a wasteful number, since it uses less digits than its factorization.

545143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109 (or 9107 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 545143244 is about 23348.3028076989. The cubic root of 545143244 is about 816.9024741425.

Adding to 545143244 its reverse (442341545), we get a palindrome (987484789).

The spelling of 545143244 in words is "five hundred forty-five million, one hundred forty-three thousand, two hundred forty-four".