245642246542 has 32 divisors (see below), whose sum is σ = 459460295424. Its totient is φ = 95688648000.

The previous prime is 245642246539. The next prime is 245642246699.

245642246542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245642246542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245642246492 and 245642246501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803917 + ... + 1066567.

It is an arithmetic number, because the mean of its divisors is an integer number (14358134232).

Almost surely, 2^245642246542 is an apocalyptic number.

245642246542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245642246542 is a deficient number, since it is larger than the sum of its proper divisors (213818048882).

245642246542 is a wasteful number, since it uses less digits than its factorization.

245642246542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268744.

The product of its digits is 3686400, while the sum is 46.

The spelling of 245642246542 in words is "two hundred forty-five billion, six hundred forty-two million, two hundred forty-six thousand, five hundred forty-two".