242885851 has 8 divisors (see below), whose sum is σ = 276956064. Its totient is φ = 211013760.

The previous prime is 242885833. The next prime is 242885857. The reversal of 242885851 is 158588242.

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 242885851 - 2⁹ = 242885339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242885798 and 242885807.

It is not an unprimeable number, because it can be changed into a prime (242885857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549295 + ... + 549736.

It is an arithmetic number, because the mean of its divisors is an integer number (34619508).

Almost surely, 2^242885851 is an apocalyptic number.

242885851 is a deficient number, since it is larger than the sum of its proper divisors (34070213).

242885851 is a wasteful number, since it uses less digits than its factorization.

242885851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099061.

The product of its digits is 204800, while the sum is 43.

The square root of 242885851 is about 15584.7955071602. The cubic root of 242885851 is about 623.9274198880.

The spelling of 242885851 in words is "two hundred forty-two million, eight hundred eighty-five thousand, eight hundred fifty-one".