243045043 has 8 divisors (see below), whose sum is σ = 247856112. Its totient is φ = 238281216.

The previous prime is 243045029. The next prime is 243045059. The reversal of 243045043 is 340540342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243045043 - 2⁹ = 243044531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243044999 and 243045017.

It is not an unprimeable number, because it can be changed into a prime (243045643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 22087.

It is an arithmetic number, because the mean of its divisors is an integer number (30982014).

Almost surely, 2^243045043 is an apocalyptic number.

243045043 is a deficient number, since it is larger than the sum of its proper divisors (4811069).

243045043 is a wasteful number, since it uses less digits than its factorization.

243045043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 243045043 is about 15589.9019560740. The cubic root of 243045043 is about 624.0637014124.

Adding to 243045043 its reverse (340540342), we get a palindrome (583585385).

The spelling of 243045043 in words is "two hundred forty-three million, forty-five thousand, forty-three".