245908 has 12 divisors (see below), whose sum is σ = 463540. Its totient is φ = 113472.

The previous prime is 245899. The next prime is 245909. The reversal of 245908 is 809542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17424 + 228484 = 132^2 + 478^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313 + ... + 2416.

2²⁴⁵⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

245908 is a deficient number, since it is larger than the sum of its proper divisors (217632).

245908 is a wasteful number, since it uses less digits than its factorization.

245908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 245908 is about 495.8911170812. The cubic root of 245908 is about 62.6504535291.

The spelling of 245908 in words is "two hundred forty-five thousand, nine hundred eight".