242852868 has 18 divisors (see below), whose sum is σ = 613878174. Its totient is φ = 80950944.

The previous prime is 242852861. The next prime is 242852887. The reversal of 242852868 is 868258242.

It can be written as a sum of positive squares in only one way, i.e., 201867264 + 40985604 = 14208^2 + 6402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (242852861) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3372921 + ... + 3372992.

It is an arithmetic number, because the mean of its divisors is an integer number (34104343).

Almost surely, 2^242852868 is an apocalyptic number.

It is an amenable number.

242852868 is an abundant number, since it is smaller than the sum of its proper divisors (371025306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242852868 is a wasteful number, since it uses less digits than its factorization.

242852868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745923 (or 6745918 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 242852868 is about 15583.7372924469. The cubic root of 242852868 is about 623.8991762644.

The spelling of 242852868 in words is "two hundred forty-two million, eight hundred fifty-two thousand, eight hundred sixty-eight".