242834605 has 16 divisors (see below), whose sum is σ = 319742640. Its totient is φ = 175938048.

The previous prime is 242834597. The next prime is 242834609. The reversal of 242834605 is 506438242.

It can be written as a sum of positive squares in 8 ways, for example, as 42159049 + 200675556 = 6493^2 + 14166^2 .

It is not a de Polignac number, because 242834605 - 2³ = 242834597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242834609) 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 15 ways as a sum of consecutive naturals, for example, 31800 + ... + 38689.

It is an arithmetic number, because the mean of its divisors is an integer number (19983915).

Almost surely, 2^242834605 is an apocalyptic number.

It is an amenable number.

242834605 is a deficient number, since it is larger than the sum of its proper divisors (76908035).

242834605 is a wasteful number, since it uses less digits than its factorization.

242834605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70560.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 242834605 is about 15583.1513180101. The cubic root of 242834605 is about 623.8835364020.

The spelling of 242834605 in words is "two hundred forty-two million, eight hundred thirty-four thousand, six hundred five".