245955 has 16 divisors (see below), whose sum is σ = 414720. Its totient is φ = 124128.

The previous prime is 245941. The next prime is 245963. The reversal of 245955 is 559542.

It is a happy number.

245955 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 245955 - 2¹³ = 237763 is a prime.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2²⁴⁵⁹⁵⁵ is an apocalyptic number.

245955 is a deficient number, since it is larger than the sum of its proper divisors (168765).

245955 is a wasteful number, since it uses less digits than its factorization.

245955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its digits is 9000, while the sum is 30.

The square root of 245955 is about 495.9385042523. The cubic root of 245955 is about 62.6544447016.

The spelling of 245955 in words is "two hundred forty-five thousand, nine hundred fifty-five".