545445531203 has 16 divisors (see below), whose sum is σ = 576700819200. Its totient is φ = 514447500960.

The previous prime is 545445531179. The next prime is 545445531217. The reversal of 545445531203 is 302135544545.

It is a cyclic number.

It is not a de Polignac number, because 545445531203 - 2⁸ = 545445530947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545445534203) 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, 8056433 + ... + 8123853.

It is an arithmetic number, because the mean of its divisors is an integer number (36043801200).

Almost surely, 2^545445531203 is an apocalyptic number.

545445531203 is a deficient number, since it is larger than the sum of its proper divisors (31255287997).

545445531203 is a wasteful number, since it uses less digits than its factorization.

545445531203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69322.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 545445531203 in words is "five hundred forty-five billion, four hundred forty-five million, five hundred thirty-one thousand, two hundred three".