243042234 has 32 divisors (see below), whose sum is σ = 516865536. Its totient is φ = 75924480.

The previous prime is 243042229. The next prime is 243042257. The reversal of 243042234 is 432240342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19639 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (16152048).

Almost surely, 2^243042234 is an apocalyptic number.

243042234 is an abundant number, since it is smaller than the sum of its proper divisors (273823302).

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

243042234 is a wasteful number, since it uses less digits than its factorization.

243042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 243042234 is about 15589.8118654460. The cubic root of 243042234 is about 624.0612971918.

Adding to 243042234 its reverse (432240342), we get a palindrome (675282576).

The spelling of 243042234 in words is "two hundred forty-three million, forty-two thousand, two hundred thirty-four".