204064143 has 4 divisors (see below), whose sum is σ = 272085528. Its totient is φ = 136042760.

The previous prime is 204064121. The next prime is 204064163. The reversal of 204064143 is 341460402.

204064143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204064143 - 2⁸ = 204063887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204064163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34010688 + ... + 34010693.

It is an arithmetic number, because the mean of its divisors is an integer number (68021382).

Almost surely, 2^204064143 is an apocalyptic number.

204064143 is a deficient number, since it is larger than the sum of its proper divisors (68021385).

204064143 is an equidigital number, since it uses as much as digits as its factorization.

204064143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68021384.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 204064143 is about 14285.1021347416. The cubic root of 204064143 is about 588.7382237176.

The spelling of 204064143 in words is "two hundred four million, sixty-four thousand, one hundred forty-three".