242308785 has 16 divisors (see below), whose sum is σ = 387936000.
Its totient is φ = 129150720.
The previous prime is 242308757. The next prime is 242308799. The reversal of 242308785 is 587803242.
It is not a de Polignac number, because 242308785 - 25 = 242308753 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25945 + ... + 34025.
It is an arithmetic number, because the mean of its divisors is an integer number (24246000).
Almost surely, 2242308785 is an apocalyptic number.
It is an amenable number.
242308785 is a deficient number, since it is larger than the sum of its proper divisors (145627215).
242308785 is a wasteful number, since it uses less digits than its factorization.
242308785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10088.
The product of its (nonzero) digits is 107520, while the sum is 39.
The square root of 242308785 is about 15566.2707479987.
The cubic root of 242308785 is about 623.4329038863.
The spelling of 242308785 in words is "two hundred forty-two million, three hundred eight thousand, seven hundred eighty-five".