242102385 has 48 divisors (see below), whose sum is σ = 500688000. Its totient is φ = 110672352.

The previous prime is 242102363. The next prime is 242102401. The reversal of 242102385 is 583201242.

242102385 is a `hidden beast` number, since 2 + 421 + 0 + 238 + 5 = 666.

242102385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242102385 - 2⁸ = 242102129 is a prime.

It is a super-2 number, since 2×242102385² = 117227129645376450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11685 + ... + 24914.

It is an arithmetic number, because the mean of its divisors is an integer number (10431000).

Almost surely, 2^242102385 is an apocalyptic number.

It is an amenable number.

242102385 is an abundant number, since it is smaller than the sum of its proper divisors (258585615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242102385 is a wasteful number, since it uses less digits than its factorization.

242102385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36627 (or 36614 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 242102385 is about 15559.6396166492. The cubic root of 242102385 is about 623.2558390384.

The spelling of 242102385 in words is "two hundred forty-two million, one hundred two thousand, three hundred eighty-five".