242443459 has 2 divisors, whose sum is σ = 242443460. Its totient is φ = 242443458.

The previous prime is 242443433. The next prime is 242443541. The reversal of 242443459 is 954344242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242443459 - 2⁵ = 242443427 is a prime.

It is not a weakly prime, because it can be changed into another prime (242443559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121221729 + 121221730.

It is an arithmetic number, because the mean of its divisors is an integer number (121221730).

Almost surely, 2^242443459 is an apocalyptic number.

242443459 is a deficient number, since it is larger than the sum of its proper divisors (1).

242443459 is an equidigital number, since it uses as much as digits as its factorization.

242443459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 242443459 is about 15570.5959744642. The cubic root of 242443459 is about 623.5483827821.

The spelling of 242443459 in words is "two hundred forty-two million, four hundred forty-three thousand, four hundred fifty-nine".