242945567 has 2 divisors, whose sum is σ = 242945568. Its totient is φ = 242945566.

The previous prime is 242945519. The next prime is 242945569. The reversal of 242945567 is 765549242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242945567 - 2¹⁶ = 242880031 is a prime.

Together with 242945569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242945569) 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, 121472783 + 121472784.

It is an arithmetic number, because the mean of its divisors is an integer number (121472784).

Almost surely, 2^242945567 is an apocalyptic number.

242945567 is a deficient number, since it is larger than the sum of its proper divisors (1).

242945567 is an equidigital number, since it uses as much as digits as its factorization.

242945567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 242945567 is about 15586.7112310455. The cubic root of 242945567 is about 623.9785487024.

The spelling of 242945567 in words is "two hundred forty-two million, nine hundred forty-five thousand, five hundred sixty-seven".