245244239 has 16 divisors (see below), whose sum is σ = 260554752. Its totient is φ = 230364288.

The previous prime is 245244169. The next prime is 245244269. The reversal of 245244239 is 932442542.

It is a cyclic number.

It is not a de Polignac number, because 245244239 - 2⁸ = 245243983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245244199 and 245244208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245244269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329702 + ... + 330444.

It is an arithmetic number, because the mean of its divisors is an integer number (16284672).

Almost surely, 2^245244239 is an apocalyptic number.

245244239 is a deficient number, since it is larger than the sum of its proper divisors (15310513).

245244239 is a wasteful number, since it uses less digits than its factorization.

245244239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 69120, while the sum is 35.

The square root of 245244239 is about 15660.2758277113. The cubic root of 245244239 is about 625.9403351355.

The spelling of 245244239 in words is "two hundred forty-five million, two hundred forty-four thousand, two hundred thirty-nine".