242268305 has 8 divisors (see below), whose sum is σ = 293389800. Its totient is φ = 192036096.

The previous prime is 242268281. The next prime is 242268307. The reversal of 242268305 is 503862242.

It can be written as a sum of positive squares in 4 ways, for example, as 111028369 + 131239936 = 10537^2 + 11456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242268305 - 2⁸ = 242268049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242268307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221720 + ... + 222809.

It is an arithmetic number, because the mean of its divisors is an integer number (36673725).

Almost surely, 2^242268305 is an apocalyptic number.

It is an amenable number.

242268305 is a deficient number, since it is larger than the sum of its proper divisors (51121495).

242268305 is a wasteful number, since it uses less digits than its factorization.

242268305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444643.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 242268305 is about 15564.9704464866. The cubic root of 242268305 is about 623.3981851432.

The spelling of 242268305 in words is "two hundred forty-two million, two hundred sixty-eight thousand, three hundred five".