242284159 has 4 divisors (see below), whose sum is σ = 260921416. Its totient is φ = 223646904.

The previous prime is 242284157. The next prime is 242284171. The reversal of 242284159 is 951482242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242284159 - 2¹ = 242284157 is a prime.

It is a super-2 number, since 2×242284159² = 117403227404674562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242284151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9318609 + ... + 9318634.

It is an arithmetic number, because the mean of its divisors is an integer number (65230354).

Almost surely, 2^242284159 is an apocalyptic number.

242284159 is a deficient number, since it is larger than the sum of its proper divisors (18637257).

242284159 is a wasteful number, since it uses less digits than its factorization.

242284159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18637256.

The product of its digits is 46080, while the sum is 37.

The square root of 242284159 is about 15565.4797227712. The cubic root of 242284159 is about 623.4117832065.

The spelling of 242284159 in words is "two hundred forty-two million, two hundred eighty-four thousand, one hundred fifty-nine".