243036441 has 6 divisors (see below), whose sum is σ = 351052650. Its totient is φ = 162024288.

The previous prime is 243036413. The next prime is 243036449. The reversal of 243036441 is 144630342.

It can be written as a sum of positive squares in only one way, i.e., 226803600 + 16232841 = 15060^2 + 4029^2 .

It is not a de Polignac number, because 243036441 - 2²² = 238842137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243036449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13502016 + ... + 13502033.

It is an arithmetic number, because the mean of its divisors is an integer number (58508775).

Almost surely, 2^243036441 is an apocalyptic number.

It is an amenable number.

243036441 is a deficient number, since it is larger than the sum of its proper divisors (108016209).

243036441 is a wasteful number, since it uses less digits than its factorization.

243036441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27004055 (or 27004052 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 243036441 is about 15589.6260699223. The cubic root of 243036441 is about 624.0563389097.

Adding to 243036441 its reverse (144630342), we get a palindrome (387666783).

The spelling of 243036441 in words is "two hundred forty-three million, thirty-six thousand, four hundred forty-one".