245868858 has 48 divisors (see below), whose sum is σ = 584962560. Its totient is φ = 77132736.

The previous prime is 245868839. The next prime is 245868859. The reversal of 245868858 is 858868542.

It is a happy number.

245868858 is a `hidden beast` number, since 2 + 4 + 586 + 8 + 8 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (245868859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6618 + ... + 23141.

It is an arithmetic number, because the mean of its divisors is an integer number (12186720).

Almost surely, 2^245868858 is an apocalyptic number.

245868858 is an abundant number, since it is smaller than the sum of its proper divisors (339093702).

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

245868858 is a wasteful number, since it uses less digits than its factorization.

245868858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29793 (or 29781 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 54.

The square root of 245868858 is about 15680.2059297702. The cubic root of 245868858 is about 626.4712925859.

The spelling of 245868858 in words is "two hundred forty-five million, eight hundred sixty-eight thousand, eight hundred fifty-eight".