245310421135005 has 24 divisors (see below), whose sum is σ = 425212497274968. Its totient is φ = 130829834664576.

The previous prime is 245310421134953. The next prime is 245310421135007. The reversal of 245310421135005 is 500531124013542.

245310421135005 is a `hidden beast` number, since 2 + 4 + 5 + 31 + 0 + 4 + 2 + 113 + 500 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17642066460516 + 227668354674489 = 4200246^2 + 15088683^2 .

It is not a de Polignac number, because 245310421135005 - 2⁸ = 245310421134749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245310421135007) 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, 47298262 + ... + 52227831.

It is an arithmetic number, because the mean of its divisors is an integer number (17717187386457).

Almost surely, 2^{245310421135005} is an apocalyptic number.

It is an amenable number.

245310421135005 is a deficient number, since it is larger than the sum of its proper divisors (179902076139963).

245310421135005 is a wasteful number, since it uses less digits than its factorization.

245310421135005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99580877 (or 99580874 counting only the distinct ones).

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

Adding to 245310421135005 its reverse (500531124013542), we get a palindrome (745841545148547).

The spelling of 245310421135005 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, one hundred thirty-five thousand, five".