240442159 has 2 divisors, whose sum is σ = 240442160. Its totient is φ = 240442158.

The previous prime is 240442129. The next prime is 240442171. The reversal of 240442159 is 951244042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240442159 - 2⁷ = 240442031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240442159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240442129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120221079 + 120221080.

It is an arithmetic number, because the mean of its divisors is an integer number (120221080).

Almost surely, 2^240442159 is an apocalyptic number.

240442159 is a deficient number, since it is larger than the sum of its proper divisors (1).

240442159 is an equidigital number, since it uses as much as digits as its factorization.

240442159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 240442159 is about 15506.1974384438. The cubic root of 240442159 is about 621.8279034020.

The spelling of 240442159 in words is "two hundred forty million, four hundred forty-two thousand, one hundred fifty-nine".