242458168 has 8 divisors (see below), whose sum is σ = 454609080. Its totient is φ = 121229080.

The previous prime is 242458159. The next prime is 242458207. The reversal of 242458168 is 861854242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 242458168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15153628 + ... + 15153643.

It is an arithmetic number, because the mean of its divisors is an integer number (56826135).

Almost surely, 2^242458168 is an apocalyptic number.

It is an amenable number.

242458168 is a deficient number, since it is larger than the sum of its proper divisors (212150912).

242458168 is a wasteful number, since it uses less digits than its factorization.

242458168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30307277 (or 30307273 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 242458168 is about 15571.0682998952. The cubic root of 242458168 is about 623.5609927156.

The spelling of 242458168 in words is "two hundred forty-two million, four hundred fifty-eight thousand, one hundred sixty-eight".