242442043 has 2 divisors, whose sum is σ = 242442044. Its totient is φ = 242442042.

The previous prime is 242442029. The next prime is 242442047. The reversal of 242442043 is 340244242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242442043 - 2⁹ = 242441531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242441999 and 242442017.

It is not a weakly prime, because it can be changed into another prime (242442047) 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, 121221021 + 121221022.

It is an arithmetic number, because the mean of its divisors is an integer number (121221022).

Almost surely, 2^242442043 is an apocalyptic number.

242442043 is a deficient number, since it is larger than the sum of its proper divisors (1).

242442043 is an equidigital number, since it uses as much as digits as its factorization.

242442043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 242442043 is about 15570.5505040766. The cubic root of 242442043 is about 623.5471688273.

Adding to 242442043 its reverse (340244242), we get a palindrome (582686285).

The spelling of 242442043 in words is "two hundred forty-two million, four hundred forty-two thousand, forty-three".