245618 has 8 divisors (see below), whose sum is σ = 371712. Its totient is φ = 121716.

The previous prime is 245593. The next prime is 245621. The reversal of 245618 is 816542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

245618 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (46464).

2²⁴⁵⁶¹⁸ is an apocalyptic number.

245618 is a deficient number, since it is larger than the sum of its proper divisors (126094).

245618 is a wasteful number, since it uses less digits than its factorization.

245618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 1920, while the sum is 26.

The square root of 245618 is about 495.5986279238. The cubic root of 245618 is about 62.6258158892.

The spelling of 245618 in words is "two hundred forty-five thousand, six hundred eighteen".