43142101 has 4 divisors (see below), whose sum is σ = 43211104. Its totient is φ = 43073100.

The previous prime is 43142087. The next prime is 43142119. The reversal of 43142101 is 10124134.

43142101 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43142101 - 2⁵ = 43142069 is a prime.

It is a super-2 number, since 2×43142101² = 3722481757388402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142191) by changing a digit.

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, 33555 + ... + 34816.

It is an arithmetic number, because the mean of its divisors is an integer number (10802776).

Almost surely, 2^43142101 is an apocalyptic number.

It is an amenable number.

43142101 is a deficient number, since it is larger than the sum of its proper divisors (69003).

43142101 is an equidigital number, since it uses as much as digits as its factorization.

43142101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69002.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 43142101 is about 6568.2646871149. The cubic root of 43142101 is about 350.7253013694.

Adding to 43142101 its reverse (10124134), we get a palindrome (53266235).

The spelling of 43142101 in words is "forty-three million, one hundred forty-two thousand, one hundred one".