243144266 has 8 divisors (see below), whose sum is σ = 364803204. Its totient is φ = 121543200.

The previous prime is 243144241. The next prime is 243144271. The reversal of 243144266 is 662441342.

243144266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 236513641 + 6630625 = 15379^2 + 2575^2 .

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

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, 1715 + ... + 22118.

Almost surely, 2^243144266 is an apocalyptic number.

243144266 is a deficient number, since it is larger than the sum of its proper divisors (121658938).

243144266 is a wasteful number, since it uses less digits than its factorization.

243144266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28936.

The product of its digits is 27648, while the sum is 32.

The square root of 243144266 is about 15593.0839156339. The cubic root of 243144266 is about 624.1486144081.

The spelling of 243144266 in words is "two hundred forty-three million, one hundred forty-four thousand, two hundred sixty-six".