204142144 has 28 divisors (see below), whose sum is σ = 405554688. Its totient is φ = 101955200.

The previous prime is 204142139. The next prime is 204142153. The reversal of 204142144 is 441241402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95649 + ... + 97759.

It is an arithmetic number, because the mean of its divisors is an integer number (14484096).

Almost surely, 2^204142144 is an apocalyptic number.

It is an amenable number.

204142144 is a deficient number, since it is larger than the sum of its proper divisors (201412544).

204142144 is a wasteful number, since it uses less digits than its factorization.

204142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 204142144 is about 14287.8320258883. The cubic root of 204142144 is about 588.8132268020.

Adding to 204142144 its reverse (441241402), we get a palindrome (645383546).

The spelling of 204142144 in words is "two hundred four million, one hundred forty-two thousand, one hundred forty-four".