245513151522 has 40 divisors (see below), whose sum is σ = 550532498076. Its totient is φ = 81778038048.

The previous prime is 245513151461. The next prime is 245513151539. The reversal of 245513151522 is 225151315542.

245513151522 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 131 + 515 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 219032424081 + 26480727441 = 468009^2 + 162729^2 .

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 329473 + ... + 774324.

Almost surely, 2^245513151522 is an apocalyptic number.

245513151522 is an abundant number, since it is smaller than the sum of its proper divisors (305019346554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245513151522 is a wasteful number, since it uses less digits than its factorization.

245513151522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105184 (or 1105175 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 245513151522 in words is "two hundred forty-five billion, five hundred thirteen million, one hundred fifty-one thousand, five hundred twenty-two".