42443043 has 8 divisors (see below), whose sum is σ = 56733456. Its totient is φ = 28224000.

The previous prime is 42443039. The next prime is 42443069. The reversal of 42443043 is 34034424.

It is a happy number.

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

It is not a de Polignac number, because 42443043 - 2² = 42443039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42447043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16438 + ... + 18843.

It is an arithmetic number, because the mean of its divisors is an integer number (7091682).

Almost surely, 2^42443043 is an apocalyptic number.

42443043 is a deficient number, since it is larger than the sum of its proper divisors (14290413).

42443043 is a wasteful number, since it uses less digits than its factorization.

42443043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35685.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 42443043 is about 6514.8325381394. The cubic root of 42443043 is about 348.8206372765.

Adding to 42443043 its reverse (34034424), we get a palindrome (76477467).

The spelling of 42443043 in words is "forty-two million, four hundred forty-three thousand, forty-three".