43243142 has 16 divisors (see below), whose sum is σ = 65869200. Its totient is φ = 21288960.

The previous prime is 43243139. The next prime is 43243157. The reversal of 43243142 is 24134234.

43243142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 67142 + ... + 67782.

It is an arithmetic number, because the mean of its divisors is an integer number (4116825).

Almost surely, 2^43243142 is an apocalyptic number.

43243142 is a deficient number, since it is larger than the sum of its proper divisors (22626058).

43243142 is a wasteful number, since it uses less digits than its factorization.

43243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its digits is 2304, while the sum is 23.

The square root of 43243142 is about 6575.9517942272. The cubic root of 43243142 is about 350.9988934038.

Adding to 43243142 its reverse (24134234), we get a palindrome (67377376).

The spelling of 43243142 in words is "forty-three million, two hundred forty-three thousand, one hundred forty-two".