245190 has 32 divisors (see below), whose sum is σ = 642816. Its totient is φ = 59360.

The previous prime is 245183. The next prime is 245209. The reversal of 245190 is 91542.

It is a super-2 number, since 2×245190² = 120236272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

245190 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 15 ways as a sum of consecutive naturals, for example, 42 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2²⁴⁵¹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321408).

245190 is an abundant number, since it is smaller than the sum of its proper divisors (397626).

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

245190 is a wasteful number, since it uses less digits than its factorization.

245190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 245190 is about 495.1666386177. The cubic root of 245190 is about 62.5894186745.

It can be divided in two parts, 245 and 190, that added together give a triangular number (435 = T₂₉).

The spelling of 245190 in words is "two hundred forty-five thousand, one hundred ninety".