242246161 has 2 divisors, whose sum is σ = 242246162. Its totient is φ = 242246160.

The previous prime is 242246149. The next prime is 242246167. The reversal of 242246161 is 161642242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226683136 + 15563025 = 15056^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 242246161 - 2¹⁵ = 242213393 is a prime.

It is not a weakly prime, because it can be changed into another prime (242246167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121123080 + 121123081.

It is an arithmetic number, because the mean of its divisors is an integer number (121123081).

Almost surely, 2^242246161 is an apocalyptic number.

It is an amenable number.

242246161 is a deficient number, since it is larger than the sum of its proper divisors (1).

242246161 is an equidigital number, since it uses as much as digits as its factorization.

242246161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 242246161 is about 15564.2590893367. The cubic root of 242246161 is about 623.3791911191.

The spelling of 242246161 in words is "two hundred forty-two million, two hundred forty-six thousand, one hundred sixty-one".