242453161 has 2 divisors, whose sum is σ = 242453162. Its totient is φ = 242453160.

The previous prime is 242453117. The next prime is 242453179. The reversal of 242453161 is 161354242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241615936 + 837225 = 15544^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 242453161 - 2¹¹ = 242451113 is a prime.

It is not a weakly prime, because it can be changed into another prime (242453261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121226580 + 121226581.

It is an arithmetic number, because the mean of its divisors is an integer number (121226581).

Almost surely, 2^242453161 is an apocalyptic number.

It is an amenable number.

242453161 is a deficient number, since it is larger than the sum of its proper divisors (1).

242453161 is an equidigital number, since it uses as much as digits as its factorization.

242453161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 242453161 is about 15570.9075201158. The cubic root of 242453161 is about 623.5567003032.

The spelling of 242453161 in words is "two hundred forty-two million, four hundred fifty-three thousand, one hundred sixty-one".