245158 has 4 divisors (see below), whose sum is σ = 367740. Its totient is φ = 122578.

The previous prime is 245149. The next prime is 245171. The reversal of 245158 is 851542.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61288 + ... + 61291.

It is an arithmetic number, because the mean of its divisors is an integer number (91935).

2²⁴⁵¹⁵⁸ is an apocalyptic number.

245158 is a deficient number, since it is larger than the sum of its proper divisors (122582).

245158 is a wasteful number, since it uses less digits than its factorization.

245158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122581.

The product of its digits is 1600, while the sum is 25.

The square root of 245158 is about 495.1343252088. The cubic root of 245158 is about 62.5866956861.

The spelling of 245158 in words is "two hundred forty-five thousand, one hundred fifty-eight".