245793397542 has 64 divisors (see below), whose sum is σ = 634021516800. Its totient is φ = 61640974080.

The previous prime is 245793397523. The next prime is 245793397559.

It is a happy number.

245793397542 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9159367 + ... + 9186162.

It is an arithmetic number, because the mean of its divisors is an integer number (9906586200).

Almost surely, 2^245793397542 is an apocalyptic number.

245793397542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245793397542 is an abundant number, since it is smaller than the sum of its proper divisors (388228119258).

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

245793397542 is a wasteful number, since it uses less digits than its factorization.

245793397542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18345581.

The product of its digits is 57153600, while the sum is 60.

The spelling of 245793397542 in words is "two hundred forty-five billion, seven hundred ninety-three million, three hundred ninety-seven thousand, five hundred forty-two".