245499 has 16 divisors (see below), whose sum is σ = 355200. Its totient is φ = 150336.

The previous prime is 245477. The next prime is 245501. The reversal of 245499 is 994542.

245499 is nontrivially palindromic in base 4.

It is a de Polignac number, because none of the positive numbers 2^k-245499 is a prime.

245499 is an undulating number in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245499.

It is not an unprimeable number, because it can be changed into a prime (245419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3327 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (22200).

2²⁴⁵⁴⁹⁹ is an apocalyptic number.

245499 is a deficient number, since it is larger than the sum of its proper divisors (109701).

245499 is a wasteful number, since it uses less digits than its factorization.

245499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its digits is 12960, while the sum is 33.

The square root of 245499 is about 495.4785565491. The cubic root of 245499 is about 62.6157003494.

The spelling of 245499 in words is "two hundred forty-five thousand, four hundred ninety-nine".