243104441 has 4 divisors (see below), whose sum is σ = 243474000. Its totient is φ = 242734884.

The previous prime is 243104431. The next prime is 243104453. The reversal of 243104441 is 144401342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243104441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243104401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183791 + ... + 185108.

It is an arithmetic number, because the mean of its divisors is an integer number (60868500).

Almost surely, 2^243104441 is an apocalyptic number.

It is an amenable number.

243104441 is a deficient number, since it is larger than the sum of its proper divisors (369559).

243104441 is an equidigital number, since it uses as much as digits as its factorization.

243104441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369558.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 243104441 is about 15591.8068548838. The cubic root of 243104441 is about 624.1145357707.

Adding to 243104441 its reverse (144401342), we get a palindrome (387505783).

The spelling of 243104441 in words is "two hundred forty-three million, one hundred four thousand, four hundred forty-one".