245895 has 24 divisors (see below), whose sum is σ = 430416. Its totient is φ = 119808.

The previous prime is 245881. The next prime is 245897. The reversal of 245895 is 598542.

It is not a de Polignac number, because 245895 - 2⁵ = 245863 is a prime.

245895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245897) 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, 2487 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (17934).

245895 is a Friedman number, since it can be written as 485*(2^9-5), using all its digits and the basic arithmetic operations.

2²⁴⁵⁸⁹⁵ is an apocalyptic number.

245895 is a deficient number, since it is larger than the sum of its proper divisors (184521).

245895 is a wasteful number, since it uses less digits than its factorization.

245895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 118 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 245895 is about 495.8780091918. The cubic root of 245895 is about 62.6493494980.

The spelling of 245895 in words is "two hundred forty-five thousand, eight hundred ninety-five".