242150169 has 4 divisors (see below), whose sum is σ = 322866896. Its totient is φ = 161433444.

The previous prime is 242150147. The next prime is 242150171. The reversal of 242150169 is 961051242.

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 not a de Polignac number, because 242150169 - 2¹⁷ = 242019097 is a prime.

It is a super-2 number, since 2×242150169² = 117273408693457122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242150179) 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 3 ways as a sum of consecutive naturals, for example, 40358359 + ... + 40358364.

It is an arithmetic number, because the mean of its divisors is an integer number (80716724).

Almost surely, 2^242150169 is an apocalyptic number.

It is an amenable number.

242150169 is a deficient number, since it is larger than the sum of its proper divisors (80716727).

242150169 is an equidigital number, since it uses as much as digits as its factorization.

242150169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80716726.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 242150169 is about 15561.1750520325. The cubic root of 242150169 is about 623.2968405592.

The spelling of 242150169 in words is "two hundred forty-two million, one hundred fifty thousand, one hundred sixty-nine".