245850 has 48 divisors (see below), whose sum is σ = 669600. Its totient is φ = 59200.

The previous prime is 245849. The next prime is 245851. The reversal of 245850 is 58542.

It is an interprime number because it is at equal distance from previous prime (245849) and next prime (245851).

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 245850.

It is not an unprimeable number, because it can be changed into a prime (245851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1576 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (13950).

2²⁴⁵⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334800).

245850 is an abundant number, since it is smaller than the sum of its proper divisors (423750).

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

245850 is a wasteful number, since it uses less digits than its factorization.

245850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 245850 is about 495.8326330527. The cubic root of 245850 is about 62.6455275514.

The spelling of 245850 in words is "two hundred forty-five thousand, eight hundred fifty".