245238832542 has 64 divisors (see below), whose sum is σ = 557489184768. Its totient is φ = 71245356000.

The previous prime is 245238832481. The next prime is 245238832607.

245238832542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245238832491 and 245238832500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341184 + ... + 779027.

It is an arithmetic number, because the mean of its divisors is an integer number (8710768512).

Almost surely, 2^245238832542 is an apocalyptic number.

245238832542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245238832542 is an abundant number, since it is smaller than the sum of its proper divisors (312250352226).

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

245238832542 is a wasteful number, since it uses less digits than its factorization.

245238832542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120365.

The product of its digits is 3686400, while the sum is 48.

The spelling of 245238832542 in words is "two hundred forty-five billion, two hundred thirty-eight million, eight hundred thirty-two thousand, five hundred forty-two".