545225304231 has 12 divisors (see below), whose sum is σ = 787665980920. Its totient is φ = 363428927280.

The previous prime is 545225304187. The next prime is 545225304251. The reversal of 545225304231 is 132403522545.

545225304231 is a `hidden beast` number, since 5 + 4 + 5 + 225 + 3 + 0 + 423 + 1 = 666.

It is not a de Polignac number, because 545225304231 - 2²³ = 545216915623 is a prime.

It is a super-2 number, since 2×545225304231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545225304251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4487461 + ... + 4607358.

Almost surely, 2^545225304231 is an apocalyptic number.

545225304231 is a deficient number, since it is larger than the sum of its proper divisors (242440676689).

545225304231 is a wasteful number, since it uses less digits than its factorization.

545225304231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101486 (or 9101483 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 545225304231 its reverse (132403522545), we get a palindrome (677628826776).

The spelling of 545225304231 in words is "five hundred forty-five billion, two hundred twenty-five million, three hundred four thousand, two hundred thirty-one".