245238 has 16 divisors (see below), whose sum is σ = 560640. Its totient is φ = 70056.

The previous prime is 245209. The next prime is 245251. The reversal of 245238 is 832542.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (35040).

2²⁴⁵²³⁸ is an apocalyptic number.

245238 is an abundant number, since it is smaller than the sum of its proper divisors (315402).

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

245238 is a wasteful number, since it uses less digits than its factorization.

245238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its digits is 1920, while the sum is 24.

The square root of 245238 is about 495.2151047777. The cubic root of 245238 is about 62.5935027128.

It can be divided in two parts, 24523 and 8, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 245238 in words is "two hundred forty-five thousand, two hundred thirty-eight".