242149161 has 8 divisors (see below), whose sum is σ = 323616384. Its totient is φ = 161057360.

The previous prime is 242149147. The next prime is 242149163. The reversal of 242149161 is 161941242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242149161 - 2⁹ = 242148649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242149163) 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 in 7 ways as a sum of consecutive naturals, for example, 92346 + ... + 94931.

It is an arithmetic number, because the mean of its divisors is an integer number (40452048).

Almost surely, 2^242149161 is an apocalyptic number.

It is an amenable number.

242149161 is a deficient number, since it is larger than the sum of its proper divisors (81467223).

242149161 is a wasteful number, since it uses less digits than its factorization.

242149161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187711.

The product of its digits is 3456, while the sum is 30.

The square root of 242149161 is about 15561.1426636992. The cubic root of 242149161 is about 623.2959756908.

The spelling of 242149161 in words is "two hundred forty-two million, one hundred forty-nine thousand, one hundred sixty-one".