245556838 has 4 divisors (see below), whose sum is σ = 368335260. Its totient is φ = 122778418.

The previous prime is 245556799. The next prime is 245556847. The reversal of 245556838 is 838655542.

245556838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 61389208 + ... + 61389211.

It is an arithmetic number, because the mean of its divisors is an integer number (92083815).

Almost surely, 2^245556838 is an apocalyptic number.

245556838 is a deficient number, since it is larger than the sum of its proper divisors (122778422).

245556838 is a wasteful number, since it uses less digits than its factorization.

245556838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122778421.

The product of its digits is 1152000, while the sum is 46.

The square root of 245556838 is about 15670.2532844878. The cubic root of 245556838 is about 626.2061724992.

The spelling of 245556838 in words is "two hundred forty-five million, five hundred fifty-six thousand, eight hundred thirty-eight".