242043143 has 2 divisors, whose sum is σ = 242043144. Its totient is φ = 242043142.

The previous prime is 242043121. The next prime is 242043157. The reversal of 242043143 is 341340242.

242043143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242043143 - 2¹⁶ = 241977607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242043163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121021571 + 121021572.

It is an arithmetic number, because the mean of its divisors is an integer number (121021572).

Almost surely, 2^242043143 is an apocalyptic number.

242043143 is a deficient number, since it is larger than the sum of its proper divisors (1).

242043143 is an equidigital number, since it uses as much as digits as its factorization.

242043143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 242043143 is about 15557.7357928459. The cubic root of 242043143 is about 623.2049983793.

Adding to 242043143 its reverse (341340242), we get a palindrome (583383385).

The spelling of 242043143 in words is "two hundred forty-two million, forty-three thousand, one hundred forty-three".