204231146 has 8 divisors (see below), whose sum is σ = 350110560. Its totient is φ = 87527628.

The previous prime is 204231109. The next prime is 204231161. The reversal of 204231146 is 641132402.

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

It is an unprimeable number.

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, 7293956 + ... + 7293983.

It is an arithmetic number, because the mean of its divisors is an integer number (43763820).

Almost surely, 2^204231146 is an apocalyptic number.

204231146 is a deficient number, since it is larger than the sum of its proper divisors (145879414).

204231146 is a wasteful number, since it uses less digits than its factorization.

204231146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14587948.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 204231146 is about 14290.9462947700. The cubic root of 204231146 is about 588.8987847367.

Adding to 204231146 its reverse (641132402), we get a palindrome (845363548).

The spelling of 204231146 in words is "two hundred four million, two hundred thirty-one thousand, one hundred forty-six".