204331143142 has 16 divisors (see below), whose sum is σ = 351408275712. Its totient is φ = 87288910920.

The previous prime is 204331143139. The next prime is 204331143199. The reversal of 204331143142 is 241341133402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204331143142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23460408 + ... + 23469115.

It is an arithmetic number, because the mean of its divisors is an integer number (21963017232).

Almost surely, 2^204331143142 is an apocalyptic number.

204331143142 is a deficient number, since it is larger than the sum of its proper divisors (147077132570).

204331143142 is a wasteful number, since it uses less digits than its factorization.

204331143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46929843.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 204331143142 its reverse (241341133402), we get a palindrome (445672276544).

It can be divided in two parts, 20433 and 1143142, that added together give a triangular number (1163575 = T₁₅₂₅).

The spelling of 204331143142 in words is "two hundred four billion, three hundred thirty-one million, one hundred forty-three thousand, one hundred forty-two".