245202022345 has 24 divisors (see below), whose sum is σ = 351532884744. Its totient is φ = 163594238976.

The previous prime is 245202022283. The next prime is 245202022399. The reversal of 245202022345 is 543220202542.

It can be written as a sum of positive squares in 4 ways, for example, as 6499423161 + 238702599184 = 80619^2 + 488572^2 .

It is not a de Polignac number, because 245202022345 - 2⁷ = 245202022217 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 13515592 + ... + 13533721.

It is an arithmetic number, because the mean of its divisors is an integer number (14647203531).

Almost surely, 2^245202022345 is an apocalyptic number.

It is an amenable number.

245202022345 is a deficient number, since it is larger than the sum of its proper divisors (106330862399).

245202022345 is a wasteful number, since it uses less digits than its factorization.

245202022345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049369 (or 27049362 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 245202022345 its reverse (543220202542), we get a palindrome (788422224887).

The spelling of 245202022345 in words is "two hundred forty-five billion, two hundred two million, twenty-two thousand, three hundred forty-five".