245768 has 16 divisors (see below), whose sum is σ = 476160. Its totient is φ = 118800.

The previous prime is 245759. The next prime is 245771. The reversal of 245768 is 867542.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245768.

It is an unprimeable number.

245768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 743.

It is an arithmetic number, because the mean of its divisors is an integer number (29760).

245768 is a Friedman number, since it can be written as 8+(6*5*4^7)/2, using all its digits and the basic arithmetic operations.

2²⁴⁵⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

245768 is a deficient number, since it is larger than the sum of its proper divisors (230392).

245768 is a wasteful number, since it uses less digits than its factorization.

245768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1024 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 245768 is about 495.7499369642. The cubic root of 245768 is about 62.6385619158.

The spelling of 245768 in words is "two hundred forty-five thousand, seven hundred sixty-eight".