204105158 has 8 divisors (see below), whose sum is σ = 306222552. Its totient is φ = 102030976.

The previous prime is 204105157. The next prime is 204105211. The reversal of 204105158 is 851501402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204105157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6641 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (38277819).

Almost surely, 2^204105158 is an apocalyptic number.

204105158 is a deficient number, since it is larger than the sum of its proper divisors (102117394).

204105158 is a wasteful number, since it uses less digits than its factorization.

204105158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 204105158 is about 14286.5376491297. The cubic root of 204105158 is about 588.7776647161. Note that the first 3 decimals are identical.

The spelling of 204105158 in words is "two hundred four million, one hundred five thousand, one hundred fifty-eight".