545220112 has 20 divisors (see below), whose sum is σ = 1056795580. Its totient is φ = 272498688.

The previous prime is 545220101. The next prime is 545220113. The reversal of 545220112 is 211022545.

It can be written as a sum of positive squares in 2 ways, for example, as 487703056 + 57517056 = 22084^2 + 7584^2 .

It is not an unprimeable number, because it can be changed into a prime (545220113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45328 + ... + 56080.

It is an arithmetic number, because the mean of its divisors is an integer number (52839779).

Almost surely, 2^545220112 is an apocalyptic number.

It is an amenable number.

545220112 is a deficient number, since it is larger than the sum of its proper divisors (511575468).

545220112 is a wasteful number, since it uses less digits than its factorization.

545220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 545220112 is about 23349.9488650404. The cubic root of 545220112 is about 816.9408681542.

Adding to 545220112 its reverse (211022545), we get a palindrome (756242657).

The spelling of 545220112 in words is "five hundred forty-five million, two hundred twenty thousand, one hundred twelve".