243044041 has 16 divisors (see below), whose sum is σ = 261201600. Its totient is φ = 225707328.

The previous prime is 243044033. The next prime is 243044057. The reversal of 243044041 is 140440342.

It is a cyclic number.

It is not a de Polignac number, because 243044041 - 2³ = 243044033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243044071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82095 + ... + 85003.

It is an arithmetic number, because the mean of its divisors is an integer number (16325100).

Almost surely, 2^243044041 is an apocalyptic number.

It is an amenable number.

243044041 is a deficient number, since it is larger than the sum of its proper divisors (18157559).

243044041 is a wasteful number, since it uses less digits than its factorization.

243044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 243044041 is about 15589.8698198542. The cubic root of 243044041 is about 624.0628438036.

Adding to 243044041 its reverse (140440342), we get a palindrome (383484383).

It can be divided in two parts, 2430440 and 41, that added together give a square (2430481 = 1559²).

The spelling of 243044041 in words is "two hundred forty-three million, forty-four thousand, forty-one".