43643042 has 8 divisors (see below), whose sum is σ = 65980416. Its totient is φ = 21649572.

The previous prime is 43643023. The next prime is 43643059. The reversal of 43643042 is 24034634.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85658 + ... + 86165.

It is an arithmetic number, because the mean of its divisors is an integer number (8247552).

Almost surely, 2^43643042 is an apocalyptic number.

43643042 is a deficient number, since it is larger than the sum of its proper divisors (22337374).

43643042 is a wasteful number, since it uses less digits than its factorization.

43643042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171952.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 43643042 is about 6606.2880651694. The cubic root of 43643042 is about 352.0775537194.

Adding to 43643042 its reverse (24034634), we get a palindrome (67677676).

The spelling of 43643042 in words is "forty-three million, six hundred forty-three thousand, forty-two".