243044242 has 32 divisors (see below), whose sum is σ = 426794112. Its totient is φ = 101654784.

The previous prime is 243044239. The next prime is 243044251. The reversal of 243044242 is 242440342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104848 + ... + 107140.

It is an arithmetic number, because the mean of its divisors is an integer number (13337316).

Almost surely, 2^243044242 is an apocalyptic number.

243044242 is a deficient number, since it is larger than the sum of its proper divisors (183749870).

243044242 is a wasteful number, since it uses less digits than its factorization.

243044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 243044242 is about 15589.8762663467. The cubic root of 243044242 is about 624.0630158391.

Adding to 243044242 its reverse (242440342), we get a palindrome (485484584).

The spelling of 243044242 in words is "two hundred forty-three million, forty-four thousand, two hundred forty-two".