43442243 has 8 divisors (see below), whose sum is σ = 47024208. Its totient is φ = 39894624.

The previous prime is 43442233. The next prime is 43442249. The reversal of 43442243 is 34224434.

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 43442243 - 2¹⁸ = 43180099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43442249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921 + ... + 11042.

It is an arithmetic number, because the mean of its divisors is an integer number (5878026).

Almost surely, 2^43442243 is an apocalyptic number.

43442243 is a deficient number, since it is larger than the sum of its proper divisors (3581965).

43442243 is a wasteful number, since it uses less digits than its factorization.

43442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173.

The product of its digits is 9216, while the sum is 26.

The square root of 43442243 is about 6591.0729778997. The cubic root of 43442243 is about 351.5367609653.

Adding to 43442243 its reverse (34224434), we get a palindrome (77666677).

The spelling of 43442243 in words is "forty-three million, four hundred forty-two thousand, two hundred forty-three".