245890258137 has 12 divisors (see below), whose sum is σ = 355277247780. Its totient is φ = 163879563168.

The previous prime is 245890258123. The next prime is 245890258139. The reversal of 245890258137 is 731852098542.

245890258137 is a `hidden beast` number, since 2 + 4 + 58 + 9 + 0 + 2 + 581 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4675687641 + 241214570496 = 68379^2 + 491136^2 .

It is not a de Polignac number, because 245890258137 - 2¹⁰ = 245890257113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245890258139) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3906678 + ... + 3969119.

It is an arithmetic number, because the mean of its divisors is an integer number (29606437315).

Almost surely, 2^245890258137 is an apocalyptic number.

It is an amenable number.

245890258137 is a deficient number, since it is larger than the sum of its proper divisors (109386989643).

245890258137 is a wasteful number, since it uses less digits than its factorization.

245890258137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879272 (or 7879269 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 245890258137 in words is "two hundred forty-five billion, eight hundred ninety million, two hundred fifty-eight thousand, one hundred thirty-seven".