43454243 has 8 divisors (see below), whose sum is σ = 51004512. Its totient is φ = 36239616.

The previous prime is 43454221. The next prime is 43454249. The reversal of 43454243 is 34245434.

43454243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 43454243 - 2¹⁰ = 43453219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43454249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83630 + ... + 84147.

It is an arithmetic number, because the mean of its divisors is an integer number (6375564).

Almost surely, 2^43454243 is an apocalyptic number.

43454243 is a deficient number, since it is larger than the sum of its proper divisors (7550269).

43454243 is a wasteful number, since it uses less digits than its factorization.

43454243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167821.

The product of its digits is 23040, while the sum is 29.

The square root of 43454243 is about 6591.9832372360. The cubic root of 43454243 is about 351.5691261816.

Adding to 43454243 its reverse (34245434), we get a palindrome (77699677).

The spelling of 43454243 in words is "forty-three million, four hundred fifty-four thousand, two hundred forty-three".