245522123153 has 2 divisors, whose sum is σ = 245522123154. Its totient is φ = 245522123152.

The previous prime is 245522123113. The next prime is 245522123227. The reversal of 245522123153 is 351321225542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156639433729 + 88882689424 = 395777^2 + 298132^2 .

It is a cyclic number.

It is not a de Polignac number, because 245522123153 - 2⁶ = 245522123089 is a prime.

It is a super-2 number, since 2×245522123153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245522123113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122761061576 + 122761061577.

It is an arithmetic number, because the mean of its divisors is an integer number (122761061577).

Almost surely, 2^245522123153 is an apocalyptic number.

It is an amenable number.

245522123153 is a deficient number, since it is larger than the sum of its proper divisors (1).

245522123153 is an equidigital number, since it uses as much as digits as its factorization.

245522123153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

Adding to 245522123153 its reverse (351321225542), we get a palindrome (596843348695).

The spelling of 245522123153 in words is "two hundred forty-five billion, five hundred twenty-two million, one hundred twenty-three thousand, one hundred fifty-three".