245315531204 has 24 divisors (see below), whose sum is σ = 440989866240. Its totient is φ = 119319703776.

The previous prime is 245315531173. The next prime is 245315531207. The reversal of 245315531204 is 402135513542.

It is not an unprimeable number, because it can be changed into a prime (245315531207) 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, 624299 + ... + 938285.

It is an arithmetic number, because the mean of its divisors is an integer number (18374577760).

Almost surely, 2^245315531204 is an apocalyptic number.

It is an amenable number.

245315531204 is a deficient number, since it is larger than the sum of its proper divisors (195674335036).

245315531204 is a wasteful number, since it uses less digits than its factorization.

245315531204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319307 (or 319305 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 245315531204 in words is "two hundred forty-five billion, three hundred fifteen million, five hundred thirty-one thousand, two hundred four".