242349178 has 16 divisors (see below), whose sum is σ = 392172840. Its totient is φ = 111894016.

The previous prime is 242349139. The next prime is 242349193. The reversal of 242349178 is 871943242.

It can be written as a sum of positive squares in 4 ways, for example, as 242331489 + 17689 = 15567^2 + 133^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242349178.

It is an unprimeable number.

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, 65443 + ... + 69046.

Almost surely, 2^242349178 is an apocalyptic number.

242349178 is a deficient number, since it is larger than the sum of its proper divisors (149823662).

242349178 is a wasteful number, since it uses less digits than its factorization.

242349178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134561.

The product of its digits is 96768, while the sum is 40.

The square root of 242349178 is about 15567.5681466310. The cubic root of 242349178 is about 623.4675441576.

The spelling of 242349178 in words is "two hundred forty-two million, three hundred forty-nine thousand, one hundred seventy-eight".