204933143 has 4 divisors (see below), whose sum is σ = 205372440. Its totient is φ = 204493848.

The previous prime is 204933133. The next prime is 204933163. The reversal of 204933143 is 341339402.

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 204933143 - 2⁸ = 204932887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204933133) 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, 218948 + ... + 219881.

It is an arithmetic number, because the mean of its divisors is an integer number (51343110).

Almost surely, 2^204933143 is an apocalyptic number.

204933143 is a deficient number, since it is larger than the sum of its proper divisors (439297).

204933143 is an equidigital number, since it uses as much as digits as its factorization.

204933143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439296.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 204933143 is about 14315.4861251723. The cubic root of 204933143 is about 589.5727472695.

The spelling of 204933143 in words is "two hundred four million, nine hundred thirty-three thousand, one hundred forty-three".