245022 has 16 divisors (see below), whose sum is σ = 496272. Its totient is φ = 80640.

The previous prime is 244997. The next prime is 245023. The reversal of 245022 is 220542.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 244992 and 245010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245023) by changing a digit.

245022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 792.

It is an arithmetic number, because the mean of its divisors is an integer number (31017).

2²⁴⁵⁰²² is an apocalyptic number.

245022 is an abundant number, since it is smaller than the sum of its proper divisors (251250).

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

245022 is a wasteful number, since it uses less digits than its factorization.

245022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 245022 is about 494.9969696877. The cubic root of 245022 is about 62.5751203414.

Adding to 245022 its reverse (220542), we get a palindrome (465564).

The spelling of 245022 in words is "two hundred forty-five thousand, twenty-two".