242142673 has 2 divisors, whose sum is σ = 242142674. Its totient is φ = 242142672.

The previous prime is 242142671. The next prime is 242142701. The reversal of 242142673 is 376241242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 97950609 = 12008^2 + 9897^2 .

It is a cyclic number.

It is not a de Polignac number, because 242142673 - 2¹ = 242142671 is a prime.

Together with 242142671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242142671) 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, 121071336 + 121071337.

It is an arithmetic number, because the mean of its divisors is an integer number (121071337).

Almost surely, 2^242142673 is an apocalyptic number.

It is an amenable number.

242142673 is a deficient number, since it is larger than the sum of its proper divisors (1).

242142673 is an equidigital number, since it uses as much as digits as its factorization.

242142673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 242142673 is about 15560.9341943214. The cubic root of 242142673 is about 623.2904089010.

The spelling of 242142673 in words is "two hundred forty-two million, one hundred forty-two thousand, six hundred seventy-three".