245868 has 24 divisors (see below), whose sum is σ = 655872. Its totient is φ = 70224.

The previous prime is 245863. The next prime is 245881. The reversal of 245868 is 868542.

It is not an unprimeable number, because it can be changed into a prime (245863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (27328).

2²⁴⁵⁸⁶⁸ is an apocalyptic number.

245868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245868 is an abundant number, since it is smaller than the sum of its proper divisors (410004).

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

245868 is a wasteful number, since it uses less digits than its factorization.

245868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2939 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 245868 is about 495.8507840066. The cubic root of 245868 is about 62.6470563860.

The spelling of 245868 in words is "two hundred forty-five thousand, eight hundred sixty-eight".