43443242 has 4 divisors (see below), whose sum is σ = 65164866. Its totient is φ = 21721620.

The previous prime is 43443233. The next prime is 43443259. The reversal of 43443242 is 24234434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36372961 + 7070281 = 6031^2 + 2659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10860809 + ... + 10860812.

Almost surely, 2^43443242 is an apocalyptic number.

43443242 is a deficient number, since it is larger than the sum of its proper divisors (21721624).

43443242 is a wasteful number, since it uses less digits than its factorization.

43443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721623.

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

The square root of 43443242 is about 6591.1487617865. The cubic root of 43443242 is about 351.5394555970.

Adding to 43443242 its reverse (24234434), we get a palindrome (67677676).

The spelling of 43443242 in words is "forty-three million, four hundred forty-three thousand, two hundred forty-two".