204743142 has 24 divisors (see below), whose sum is σ = 445188744. Its totient is φ = 68004864.

The previous prime is 204743141. The next prime is 204743179. The reversal of 204743142 is 241347402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204743141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15003 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (18549531).

Almost surely, 2^204743142 is an apocalyptic number.

204743142 is an abundant number, since it is smaller than the sum of its proper divisors (240445602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204743142 is a wasteful number, since it uses less digits than its factorization.

204743142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40484 (or 40481 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 204743142 is about 14308.8483813338. The cubic root of 204743142 is about 589.3904861235.

The spelling of 204743142 in words is "two hundred four million, seven hundred forty-three thousand, one hundred forty-two".