242044161 has 4 divisors (see below), whose sum is σ = 322725552. Its totient is φ = 161362772.

The previous prime is 242044141. The next prime is 242044169. The reversal of 242044161 is 161440242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242044161 - 2⁹ = 242043649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242044169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40340691 + ... + 40340696.

It is an arithmetic number, because the mean of its divisors is an integer number (80681388).

Almost surely, 2^242044161 is an apocalyptic number.

It is an amenable number.

242044161 is a deficient number, since it is larger than the sum of its proper divisors (80681391).

242044161 is an equidigital number, since it uses as much as digits as its factorization.

242044161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80681390.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 242044161 is about 15557.7685096546. The cubic root of 242044161 is about 623.2058720828.

The spelling of 242044161 in words is "two hundred forty-two million, forty-four thousand, one hundred sixty-one".