245659968 has 84 divisors (see below), whose sum is σ = 741232960. Its totient is φ = 77573376.

The previous prime is 245659963. The next prime is 245659991. The reversal of 245659968 is 869956542.

It is a happy number.

245659968 is a `hidden beast` number, since 2 + 45 + 6 + 599 + 6 + 8 = 666.

It is a super-2 number, since 2×245659968² = 120697639755522048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245659961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280 + ... + 22167.

Almost surely, 2^245659968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245659968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370616480).

245659968 is an abundant number, since it is smaller than the sum of its proper divisors (495572992).

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

245659968 is a wasteful number, since it uses less digits than its factorization.

245659968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22484 (or 22471 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 245659968 is about 15673.5435687020. The cubic root of 245659968 is about 626.2938258021.

The spelling of 245659968 in words is "two hundred forty-five million, six hundred fifty-nine thousand, nine hundred sixty-eight".