245452254542 has 64 divisors (see below), whose sum is σ = 431252605440. Its totient is φ = 103666992000.

The previous prime is 245452254539. The next prime is 245452254571.

245452254542 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 245452254493 and 245452254502.

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 31 ways as a sum of consecutive naturals, for example, 2663309 + ... + 2753927.

It is an arithmetic number, because the mean of its divisors is an integer number (6738321960).

Almost surely, 2^245452254542 is an apocalyptic number.

245452254542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245452254542 is a deficient number, since it is larger than the sum of its proper divisors (185800350898).

245452254542 is a wasteful number, since it uses less digits than its factorization.

245452254542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90809.

The product of its digits is 2560000, while the sum is 44.

It can be divided in two parts, 245452 and 254542, that added together give a palindrome (499994).

The spelling of 245452254542 in words is "two hundred forty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, five hundred forty-two".