242550161 has 8 divisors (see below), whose sum is σ = 277677120. Its totient is φ = 207542448.

The previous prime is 242550151. The next prime is 242550163. The reversal of 242550161 is 161055242.

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 242550161 - 2¹⁰ = 242549137 is a prime.

It is a super-2 number, since 2×242550161² = 117661161202251842, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242550161.

It is not an unprimeable number, because it can be changed into a prime (242550163) 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 7 ways as a sum of consecutive naturals, for example, 25406 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (34709640).

Almost surely, 2^242550161 is an apocalyptic number.

It is an amenable number.

242550161 is a deficient number, since it is larger than the sum of its proper divisors (35126959).

242550161 is an equidigital number, since it uses as much as digits as its factorization.

242550161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59623.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 242550161 is about 15574.0219917656. The cubic root of 242550161 is about 623.6398461711.

The spelling of 242550161 in words is "two hundred forty-two million, five hundred fifty thousand, one hundred sixty-one".