243002241 has 16 divisors (see below), whose sum is σ = 360244800. Its totient is φ = 161892864.

The previous prime is 243002237. The next prime is 243002303. The reversal of 243002241 is 142200342.

It is not a de Polignac number, because 243002241 - 2² = 243002237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243002231) by changing a digit.

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, 70930 + ... + 74276.

It is an arithmetic number, because the mean of its divisors is an integer number (22515300).

Almost surely, 2^243002241 is an apocalyptic number.

It is an amenable number.

243002241 is a deficient number, since it is larger than the sum of its proper divisors (117242559).

243002241 is a wasteful number, since it uses less digits than its factorization.

243002241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045 (or 6039 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 243002241 is about 15588.5291480627. The cubic root of 243002241 is about 624.0270652092.

Adding to 243002241 its reverse (142200342), we get a palindrome (385202583).

The spelling of 243002241 in words is "two hundred forty-three million, two thousand, two hundred forty-one".