245802 has 16 divisors (see below), whose sum is σ = 499392. Its totient is φ = 80640.

The previous prime is 245789. The next prime is 245821. The reversal of 245802 is 208542.

It is a zygodrome in base 4.

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 245802.

It is an unprimeable number.

245802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (31212).

2²⁴⁵⁸⁰² is an apocalyptic number.

245802 is an abundant number, since it is smaller than the sum of its proper divisors (253590).

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

245802 is a wasteful number, since it uses less digits than its factorization.

245802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245802 is about 495.7842272602. The cubic root of 245802 is about 62.6414502942.

The spelling of 245802 in words is "two hundred forty-five thousand, eight hundred two".