242659172 has 36 divisors (see below), whose sum is σ = 507350844. Its totient is φ = 101183040.

The previous prime is 242659171. The next prime is 242659187. The reversal of 242659172 is 271956242.

It can be written as a sum of positive squares in 2 ways, for example, as 174662656 + 67996516 = 13216^2 + 8246^2 .

It is not an unprimeable number, because it can be changed into a prime (242659171) 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 11 ways as a sum of consecutive naturals, for example, 9479 + ... + 23982.

It is an arithmetic number, because the mean of its divisors is an integer number (14093079).

Almost surely, 2^242659172 is an apocalyptic number.

It is an amenable number.

242659172 is an abundant number, since it is smaller than the sum of its proper divisors (264691672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242659172 is a wasteful number, since it uses less digits than its factorization.

242659172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33516 (or 33507 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 242659172 is about 15577.5213689470. The cubic root of 242659172 is about 623.7332611040.

The spelling of 242659172 in words is "two hundred forty-two million, six hundred fifty-nine thousand, one hundred seventy-two".