43142105 has 4 divisors (see below), whose sum is σ = 51770532. Its totient is φ = 34513680.

The previous prime is 43142087. The next prime is 43142119. The reversal of 43142105 is 50124134.

43142105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15904144 + 27237961 = 3988^2 + 5219^2 .

It is not a de Polignac number, because 43142105 - 2⁸ = 43141849 is a prime.

It is a super-2 number, since 2×43142105² = 3722482447662050, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4314206 + ... + 4314215.

It is an arithmetic number, because the mean of its divisors is an integer number (12942633).

Almost surely, 2^43142105 is an apocalyptic number.

It is an amenable number.

43142105 is a deficient number, since it is larger than the sum of its proper divisors (8628427).

43142105 is an equidigital number, since it uses as much as digits as its factorization.

43142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628426.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 43142105 is about 6568.2649916093. The cubic root of 43142105 is about 350.7253122088.

Adding to 43142105 its reverse (50124134), we get a palindrome (93266239).

The spelling of 43142105 in words is "forty-three million, one hundred forty-two thousand, one hundred five".