245225522542 has 128 divisors (see below), whose sum is σ = 503825817600. Its totient is φ = 86430706560.

The previous prime is 245225522519. The next prime is 245225522657.

245225522542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245225522495 and 245225522504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26688073 + ... + 26697259.

It is an arithmetic number, because the mean of its divisors is an integer number (3936139200).

Almost surely, 2^245225522542 is an apocalyptic number.

245225522542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245225522542 is an abundant number, since it is smaller than the sum of its proper divisors (258600295058).

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

245225522542 is a wasteful number, since it uses less digits than its factorization.

245225522542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its digits is 640000, while the sum is 40.

It can be divided in two parts, 245225 and 522542, that added together give a palindrome (767767).

The spelling of 245225522542 in words is "two hundred forty-five billion, two hundred twenty-five million, five hundred twenty-two thousand, five hundred forty-two".