242851918 has 8 divisors (see below), whose sum is σ = 364411512. Its totient is φ = 121381416.

The previous prime is 242851909. The next prime is 242851949. The reversal of 242851918 is 819158242.

242851918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14980 + ... + 26647.

It is an arithmetic number, because the mean of its divisors is an integer number (45551439).

Almost surely, 2^242851918 is an apocalyptic number.

242851918 is a deficient number, since it is larger than the sum of its proper divisors (121559594).

242851918 is a wasteful number, since it uses less digits than its factorization.

242851918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44546.

The product of its digits is 46080, while the sum is 40.

The square root of 242851918 is about 15583.7068119238. The cubic root of 242851918 is about 623.8983627334.

The spelling of 242851918 in words is "two hundred forty-two million, eight hundred fifty-one thousand, nine hundred eighteen".