245244 has 24 divisors (see below), whose sum is σ = 580608. Its totient is φ = 80560.

The previous prime is 245209. The next prime is 245251. The reversal of 245244 is 442542.

It is a self number, because there is not a number n which added to its sum of digits gives 245244.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 1379.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²⁴⁵²⁴⁴ is an apocalyptic number.

It is an amenable number.

245244 is an abundant number, since it is smaller than the sum of its proper divisors (335364).

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

245244 is a wasteful number, since it uses less digits than its factorization.

245244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 245244 is about 495.2211627142. The cubic root of 245244 is about 62.5940131801.

Adding to 245244 its reverse (442542), we get a palindrome (687786).

The spelling of 245244 in words is "two hundred forty-five thousand, two hundred forty-four".