245231342281 has 2 divisors, whose sum is σ = 245231342282. Its totient is φ = 245231342280.

The previous prime is 245231342261. The next prime is 245231342453. The reversal of 245231342281 is 182243132542.

245231342281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242473517056 + 2757825225 = 492416^2 + 52515^2 .

It is a cyclic number.

It is not a de Polignac number, because 245231342281 - 2²⁷ = 245097124553 is a prime.

It is a super-2 number, since 2×245231342281² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245231342281.

It is not a weakly prime, because it can be changed into another prime (245231342261) by changing a digit.

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 as a sum of consecutive naturals, namely, 122615671140 + 122615671141.

It is an arithmetic number, because the mean of its divisors is an integer number (122615671141).

Almost surely, 2^245231342281 is an apocalyptic number.

It is an amenable number.

245231342281 is a deficient number, since it is larger than the sum of its proper divisors (1).

245231342281 is an equidigital number, since it uses as much as digits as its factorization.

245231342281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

The spelling of 245231342281 in words is "two hundred forty-five billion, two hundred thirty-one million, three hundred forty-two thousand, two hundred eighty-one".