245502 has 24 divisors (see below), whose sum is σ = 555984. Its totient is φ = 78144.

The previous prime is 245501. The next prime is 245513. The reversal of 245502 is 205542.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118 + ... + 710.

It is an arithmetic number, because the mean of its divisors is an integer number (23166).

2²⁴⁵⁵⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277992).

245502 is an abundant number, since it is smaller than the sum of its proper divisors (310482).

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

245502 is a wasteful number, since it uses less digits than its factorization.

245502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 245502 is about 495.4815839161. The cubic root of 245502 is about 62.6159554031.

It can be divided in two parts, 245 and 502, that added together give a palindrome (747).

The spelling of 245502 in words is "two hundred forty-five thousand, five hundred two".