204345194 has 16 divisors (see below), whose sum is σ = 318469320. Its totient is φ = 98219520.

The previous prime is 204345161. The next prime is 204345203. The reversal of 204345194 is 491543402.

204345194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 120714169 + 83631025 = 10987^2 + 9145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204345194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5954 + ... + 21074.

Almost surely, 2^204345194 is an apocalyptic number.

204345194 is a deficient number, since it is larger than the sum of its proper divisors (114124126).

204345194 is a wasteful number, since it uses less digits than its factorization.

204345194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15385.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 204345194 is about 14294.9359564847. The cubic root of 204345194 is about 589.0083831533.

Adding to 204345194 its reverse (491543402), we get a palindrome (695888596).

The spelling of 204345194 in words is "two hundred four million, three hundred forty-five thousand, one hundred ninety-four".