245947808 has 24 divisors (see below), whose sum is σ = 485603748. Its totient is φ = 122619904.

The previous prime is 245947787. The next prime is 245947817. The reversal of 245947808 is 808749542.

It is a happy number.

245947808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 230675344 + 15272464 = 15188^2 + 3908^2 .

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, 410 + ... + 22182.

Almost surely, 2^245947808 is an apocalyptic number.

It is an amenable number.

245947808 is a deficient number, since it is larger than the sum of its proper divisors (239655940).

245947808 is a wasteful number, since it uses less digits than its factorization.

245947808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136 (or 22128 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 245947808 is about 15682.7232329082. The cubic root of 245947808 is about 626.5383400029.

The spelling of 245947808 in words is "two hundred forty-five million, nine hundred forty-seven thousand, eight hundred eight".