242245185 has 64 divisors (see below), whose sum is σ = 481947648. Its totient is φ = 101170944.

The previous prime is 242245183. The next prime is 242245217. The reversal of 242245185 is 581542242.

It is not a de Polignac number, because 242245185 - 2¹ = 242245183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242245183) 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 63 ways as a sum of consecutive naturals, for example, 139734 + ... + 141456.

It is an arithmetic number, because the mean of its divisors is an integer number (7530432).

Almost surely, 2^242245185 is an apocalyptic number.

It is an amenable number.

242245185 is a deficient number, since it is larger than the sum of its proper divisors (239702463).

242245185 is a wasteful number, since it uses less digits than its factorization.

242245185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its digits is 25600, while the sum is 33.

The square root of 242245185 is about 15564.2277354194. The cubic root of 242245185 is about 623.3783539281.

The spelling of 242245185 in words is "two hundred forty-two million, two hundred forty-five thousand, one hundred eighty-five".