243004159 has 2 divisors, whose sum is σ = 243004160. Its totient is φ = 243004158.

The previous prime is 243004093. The next prime is 243004183. The reversal of 243004159 is 951400342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243004159 - 2⁹ = 243003647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243004189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121502079 + 121502080.

It is an arithmetic number, because the mean of its divisors is an integer number (121502080).

Almost surely, 2^243004159 is an apocalyptic number.

243004159 is a deficient number, since it is larger than the sum of its proper divisors (1).

243004159 is an equidigital number, since it uses as much as digits as its factorization.

243004159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 243004159 is about 15588.5906675363. The cubic root of 243004159 is about 624.0287070058.

The spelling of 243004159 in words is "two hundred forty-three million, four thousand, one hundred fifty-nine".