245188 has 6 divisors (see below), whose sum is σ = 429086. Its totient is φ = 122592.

The previous prime is 245183. The next prime is 245209. The reversal of 245188 is 881542.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 58564 = 432^2 + 242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30645 + ... + 30652.

2²⁴⁵¹⁸⁸ is an apocalyptic number.

It is an amenable number.

245188 is a deficient number, since it is larger than the sum of its proper divisors (183898).

245188 is a wasteful number, since it uses less digits than its factorization.

245188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61301 (or 61299 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 245188 is about 495.1646190915. The cubic root of 245188 is about 62.5892484946.

The spelling of 245188 in words is "two hundred forty-five thousand, one hundred eighty-eight".