545645300 has 18 divisors (see below), whose sum is σ = 1184050518. Its totient is φ = 218258080.

The previous prime is 545645297. The next prime is 545645333. The reversal of 545645300 is 3546545.

It can be written as a sum of positive squares in 3 ways, for example, as 76143076 + 469502224 = 8726^2 + 21668^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2728127 + ... + 2728326.

Almost surely, 2^545645300 is an apocalyptic number.

545645300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545645300 is an abundant number, since it is smaller than the sum of its proper divisors (638405218).

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

545645300 is a wasteful number, since it uses less digits than its factorization.

545645300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456467 (or 5456460 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 545645300 is about 23359.0517787003. The cubic root of 545645300 is about 817.1531758022.

The spelling of 545645300 in words is "five hundred forty-five million, six hundred forty-five thousand, three hundred".