242564156 has 12 divisors (see below), whose sum is σ = 435960168. Its totient is φ = 118004112.

The previous prime is 242564099. The next prime is 242564167. The reversal of 242564156 is 651465242.

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, 819326 + ... + 819621.

It is an arithmetic number, because the mean of its divisors is an integer number (36330014).

Almost surely, 2^242564156 is an apocalyptic number.

It is an amenable number.

242564156 is a deficient number, since it is larger than the sum of its proper divisors (193396012).

242564156 is a wasteful number, since it uses less digits than its factorization.

242564156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638988 (or 1638986 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 242564156 is about 15574.4712911867. The cubic root of 242564156 is about 623.6518404898.

The spelling of 242564156 in words is "two hundred forty-two million, five hundred sixty-four thousand, one hundred fifty-six".