245710224157 has 2 divisors, whose sum is σ = 245710224158. Its totient is φ = 245710224156.

The previous prime is 245710224139. The next prime is 245710224163. The reversal of 245710224157 is 751422017542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140689507396 + 105020716761 = 375086^2 + 324069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245710224157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245710224107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122855112078 + 122855112079.

It is an arithmetic number, because the mean of its divisors is an integer number (122855112079).

Almost surely, 2^245710224157 is an apocalyptic number.

It is an amenable number.

245710224157 is a deficient number, since it is larger than the sum of its proper divisors (1).

245710224157 is an equidigital number, since it uses as much as digits as its factorization.

245710224157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 245710224157 in words is "two hundred forty-five billion, seven hundred ten million, two hundred twenty-four thousand, one hundred fifty-seven".