245023320542 has 128 divisors (see below), whose sum is σ = 511554355200. Its totient is φ = 84915734400.

The previous prime is 245023320491. The next prime is 245023320587.

245023320542 is nontrivially palindromic in base 10.

245023320542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245023320499 and 245023320508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14824559 + ... + 14841077.

It is an arithmetic number, because the mean of its divisors is an integer number (3996518400).

Almost surely, 2^245023320542 is an apocalyptic number.

245023320542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245023320542 is an abundant number, since it is smaller than the sum of its proper divisors (266531034658).

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

245023320542 is a wasteful number, since it uses less digits than its factorization.

245023320542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16822.

The product of its (nonzero) digits is 57600, while the sum is 32.

It can be divided in two parts, 245023 and 320542, that added together give a palindrome (565565).

The spelling of 245023320542 in words is "two hundred forty-five billion, twenty-three million, three hundred twenty thousand, five hundred forty-two".