204444142 has 64 divisors (see below), whose sum is σ = 404352000. Its totient is φ = 75382272.

The previous prime is 204444137. The next prime is 204444143. The reversal of 204444142 is 241444402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204444143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130359 + ... + 131917.

It is an arithmetic number, because the mean of its divisors is an integer number (6318000).

Almost surely, 2^204444142 is an apocalyptic number.

204444142 is a deficient number, since it is larger than the sum of its proper divisors (199907858).

204444142 is a wasteful number, since it uses less digits than its factorization.

204444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 204444142 is about 14298.3964835222. The cubic root of 204444142 is about 589.1034376637.

Adding to 204444142 its reverse (241444402), we get a palindrome (445888544).

The spelling of 204444142 in words is "two hundred four million, four hundred forty-four thousand, one hundred forty-two".