243042244 has 12 divisors (see below), whose sum is σ = 428179500. Its totient is φ = 120705248.

The previous prime is 243042229. The next prime is 243042257. The reversal of 243042244 is 442240342.

It can be written as a sum of positive squares in 2 ways, for example, as 8584900 + 234457344 = 2930^2 + 15312^2 .

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, 203299 + ... + 204490.

It is an arithmetic number, because the mean of its divisors is an integer number (35681625).

Almost surely, 2^243042244 is an apocalyptic number.

It is an amenable number.

243042244 is a deficient number, since it is larger than the sum of its proper divisors (185137256).

243042244 is a wasteful number, since it uses less digits than its factorization.

243042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407942 (or 407940 counting only the distinct ones).

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

The square root of 243042244 is about 15589.8121861682. The cubic root of 243042244 is about 624.0613057508.

Adding to 243042244 its reverse (442240342), we get a palindrome (685282586).

The spelling of 243042244 in words is "two hundred forty-three million, forty-two thousand, two hundred forty-four".