204470159 has 2 divisors, whose sum is σ = 204470160. Its totient is φ = 204470158.

The previous prime is 204470137. The next prime is 204470197. The reversal of 204470159 is 951074402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204470159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204470659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102235079 + 102235080.

It is an arithmetic number, because the mean of its divisors is an integer number (102235080).

Almost surely, 2^204470159 is an apocalyptic number.

204470159 is a deficient number, since it is larger than the sum of its proper divisors (1).

204470159 is an equidigital number, since it uses as much as digits as its factorization.

204470159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 204470159 is about 14299.3062419126. The cubic root of 204470159 is about 589.1284258322.

The spelling of 204470159 in words is "two hundred four million, four hundred seventy thousand, one hundred fifty-nine".