545240502131 has 8 divisors (see below), whose sum is σ = 592378382400. Its totient is φ = 498844950912.

The previous prime is 545240502041. The next prime is 545240502139. The reversal of 545240502131 is 131205042545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545240502131 - 2¹⁸ = 545240239987 is a prime.

It is a super-2 number, since 2×545240502131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545240502139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185580731 + ... + 185583668.

It is an arithmetic number, because the mean of its divisors is an integer number (74047297800).

Almost surely, 2^545240502131 is an apocalyptic number.

545240502131 is a deficient number, since it is larger than the sum of its proper divisors (47137880269).

545240502131 is a wasteful number, since it uses less digits than its factorization.

545240502131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371164525.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 545240502131 its reverse (131205042545), we get a palindrome (676445544676).

The spelling of 545240502131 in words is "five hundred forty-five billion, two hundred forty million, five hundred two thousand, one hundred thirty-one".