43243442 has 16 divisors (see below), whose sum is σ = 72099072. Its totient is φ = 19284720.

The previous prime is 43243441. The next prime is 43243451. The reversal of 43243442 is 24434234.

It is not an unprimeable number, because it can be changed into a prime (43243441) 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, 17378 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (4506192).

Almost surely, 2^43243442 is an apocalyptic number.

43243442 is a deficient number, since it is larger than the sum of its proper divisors (28855630).

43243442 is a wasteful number, since it uses less digits than its factorization.

43243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37153.

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

The square root of 43243442 is about 6575.9746045738. The cubic root of 43243442 is about 350.9997050887. Note that the first 3 decimals are identical.

Adding to 43243442 its reverse (24434234), we get a palindrome (67677676).

The spelling of 43243442 in words is "forty-three million, two hundred forty-three thousand, four hundred forty-two".