245237531539 has 24 divisors (see below), whose sum is σ = 331764456800. Its totient is φ = 176394620160.

The previous prime is 245237531537. The next prime is 245237531663. The reversal of 245237531539 is 935135732542.

245237531539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245237531539 - 2¹ = 245237531537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245237531492 and 245237531501.

It is not an unprimeable number, because it can be changed into a prime (245237531537) 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 in 23 ways as a sum of consecutive naturals, for example, 11125014 + ... + 11147035.

Almost surely, 2^245237531539 is an apocalyptic number.

245237531539 is a deficient number, since it is larger than the sum of its proper divisors (86526925261).

245237531539 is a wasteful number, since it uses less digits than its factorization.

245237531539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272091 (or 22272080 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 49.

The spelling of 245237531539 in words is "two hundred forty-five billion, two hundred thirty-seven million, five hundred thirty-one thousand, five hundred thirty-nine".