242002856 has 8 divisors (see below), whose sum is σ = 453755370. Its totient is φ = 121001424.

The previous prime is 242002847. The next prime is 242002889. The reversal of 242002856 is 658200242.

It can be written as a sum of positive squares in only one way, i.e., 162970756 + 79032100 = 12766^2 + 8890^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125171 + ... + 15125186.

Almost surely, 2^242002856 is an apocalyptic number.

It is an amenable number.

242002856 is a deficient number, since it is larger than the sum of its proper divisors (211752514).

242002856 is a wasteful number, since it uses less digits than its factorization.

242002856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250363 (or 30250359 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 242002856 is about 15556.4409811499. The cubic root of 242002856 is about 623.1704198980.

The spelling of 242002856 in words is "two hundred forty-two million, two thousand, eight hundred fifty-six".