243252286 has 8 divisors (see below), whose sum is σ = 386341920. Its totient is φ = 114471648.

The previous prime is 243252271. The next prime is 243252343. The reversal of 243252286 is 682252342.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 7154479 = 243252286 / (2 + 4 + 3 + 2 + 5 + 2 + 2 + 8 + 6).

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, 3577206 + ... + 3577273.

It is an arithmetic number, because the mean of its divisors is an integer number (48292740).

Almost surely, 2^243252286 is an apocalyptic number.

243252286 is a deficient number, since it is larger than the sum of its proper divisors (143089634).

243252286 is a wasteful number, since it uses less digits than its factorization.

243252286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154498.

The product of its digits is 46080, while the sum is 34.

The square root of 243252286 is about 15596.5472461055. The cubic root of 243252286 is about 624.2410294350.

The spelling of 243252286 in words is "two hundred forty-three million, two hundred fifty-two thousand, two hundred eighty-six".