545232253133 has 24 divisors (see below), whose sum is σ = 570917860968. Its totient is φ = 520649515008.

The previous prime is 545232253129. The next prime is 545232253187. The reversal of 545232253133 is 331352232545.

It can be written as a sum of positive squares in 12 ways, for example, as 189745617604 + 355486635529 = 435598^2 + 596227^2 .

It is not a de Polignac number, because 545232253133 - 2² = 545232253129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545232253103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28070441 + ... + 28089857.

It is an arithmetic number, because the mean of its divisors is an integer number (23788244207).

Almost surely, 2^545232253133 is an apocalyptic number.

It is an amenable number.

545232253133 is a deficient number, since it is larger than the sum of its proper divisors (25685607835).

545232253133 is a wasteful number, since it uses less digits than its factorization.

545232253133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19841 (or 19812 counting only the distinct ones).

The product of its digits is 324000, while the sum is 38.

Adding to 545232253133 its reverse (331352232545), we get a palindrome (876584485678).

The spelling of 545232253133 in words is "five hundred forty-five billion, two hundred thirty-two million, two hundred fifty-three thousand, one hundred thirty-three".