245813318542 has 16 divisors (see below), whose sum is σ = 402282122112. Its totient is φ = 111721619320.

The previous prime is 245813318467. The next prime is 245813318557.

245813318542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245813318542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245813318492 and 245813318501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368848 + ... + 792259.

It is an arithmetic number, because the mean of its divisors is an integer number (25142632632).

Almost surely, 2^245813318542 is an apocalyptic number.

245813318542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245813318542 is a deficient number, since it is larger than the sum of its proper divisors (156468803570).

245813318542 is a wasteful number, since it uses less digits than its factorization.

245813318542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170743.

The product of its digits is 921600, while the sum is 46.

The spelling of 245813318542 in words is "two hundred forty-five billion, eight hundred thirteen million, three hundred eighteen thousand, five hundred forty-two".