43996142 has 8 divisors (see below), whose sum is σ = 66789576. Its totient is φ = 21732952.

The previous prime is 43996129. The next prime is 43996159. The reversal of 43996142 is 24169934.

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

It is a junction number, because it is equal to n+sod(n) for n = 43996096 and 43996105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132353 + ... + 132684.

It is an arithmetic number, because the mean of its divisors is an integer number (8348697).

Almost surely, 2^43996142 is an apocalyptic number.

43996142 is a deficient number, since it is larger than the sum of its proper divisors (22793434).

43996142 is a wasteful number, since it uses less digits than its factorization.

43996142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265122.

The product of its digits is 46656, while the sum is 38.

The square root of 43996142 is about 6632.9587666440. The cubic root of 43996142 is about 353.0245149857.

The spelling of 43996142 in words is "forty-three million, nine hundred ninety-six thousand, one hundred forty-two".