245308256 has 24 divisors (see below), whose sum is σ = 483424200. Its totient is φ = 122533888.

The previous prime is 245308241. The next prime is 245308279. The reversal of 245308256 is 652803542.

It is a super-2 number, since 2×245308256² = 120352280923523072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35795 + ... + 42093.

It is an arithmetic number, because the mean of its divisors is an integer number (20142675).

Almost surely, 2^245308256 is an apocalyptic number.

It is an amenable number.

245308256 is a deficient number, since it is larger than the sum of its proper divisors (238115944).

245308256 is a wasteful number, since it uses less digits than its factorization.

245308256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 245308256 is about 15662.3196238616. The cubic root of 245308256 is about 625.9947942284.

The spelling of 245308256 in words is "two hundred forty-five million, three hundred eight thousand, two hundred fifty-six".