243042246 has 24 divisors (see below), whose sum is σ = 526893744. Its totient is φ = 80967600.

The previous prime is 243042229. The next prime is 243042257. The reversal of 243042246 is 642240342.

243042246 is a `hidden beast` number, since 2 + 430 + 4 + 224 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45096 + ... + 50196.

It is an arithmetic number, because the mean of its divisors is an integer number (21953906).

Almost surely, 2^243042246 is an apocalyptic number.

243042246 is an abundant number, since it is smaller than the sum of its proper divisors (283851498).

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

243042246 is a wasteful number, since it uses less digits than its factorization.

243042246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756 (or 7753 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 243042246 is about 15589.8122503127. The cubic root of 243042246 is about 624.0613074626.

Adding to 243042246 its reverse (642240342), we get a palindrome (885282588).

The spelling of 243042246 in words is "two hundred forty-three million, forty-two thousand, two hundred forty-six".