245244442542 has 32 divisors (see below), whose sum is σ = 535452387840. Its totient is φ = 74264608320.

The previous prime is 245244442537. The next prime is 245244442559.

245244442542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245244442494 and 245244442503.

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, 1201942 + ... + 1391097.

It is an arithmetic number, because the mean of its divisors is an integer number (16732887120).

Almost surely, 2^245244442542 is an apocalyptic number.

245244442542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245244442542 is an abundant number, since it is smaller than the sum of its proper divisors (290207945298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245244442542 is a wasteful number, since it uses less digits than its factorization.

245244442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594488.

The product of its digits is 1638400, while the sum is 42.

It can be divided in two parts, 245244 and 442542, that added together give a palindrome (687786).

The spelling of 245244442542 in words is "two hundred forty-five billion, two hundred forty-four million, four hundred forty-two thousand, five hundred forty-two".