253124315145 has 160 divisors (see below), whose sum is σ = 497239142400. Its totient is φ = 122441020416.

The previous prime is 253124315123. The next prime is 253124315177. The reversal of 253124315145 is 541513421352.

253124315145 is a `hidden beast` number, since 2 + 531 + 2 + 4 + 31 + 51 + 45 = 666.

It is not a de Polignac number, because 253124315145 - 2²³ = 253115926537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 92752141 + ... + 92754869.

It is an arithmetic number, because the mean of its divisors is an integer number (3107744640).

Almost surely, 2^253124315145 is an apocalyptic number.

It is an amenable number.

253124315145 is a deficient number, since it is larger than the sum of its proper divisors (244114827255).

253124315145 is a wasteful number, since it uses less digits than its factorization.

253124315145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3052 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 253124315145 its reverse (541513421352), we get a palindrome (794637736497).

The spelling of 253124315145 in words is "two hundred fifty-three billion, one hundred twenty-four million, three hundred fifteen thousand, one hundred forty-five".