43142113 has 4 divisors (see below), whose sum is σ = 49305280. Its totient is φ = 36978948.

The previous prime is 43142087. The next prime is 43142119. The reversal of 43142113 is 31124134.

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 43142113 - 2⁹ = 43141601 is a prime.

It is a super-2 number, since 2×43142113² = 3722483828209538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081573 + ... + 3081586.

It is an arithmetic number, because the mean of its divisors is an integer number (12326320).

Almost surely, 2^43142113 is an apocalyptic number.

It is an amenable number.

43142113 is a deficient number, since it is larger than the sum of its proper divisors (6163167).

43142113 is an equidigital number, since it uses as much as digits as its factorization.

43142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163166.

The product of its digits is 288, while the sum is 19.

The square root of 43142113 is about 6568.2656005981. The cubic root of 43142113 is about 350.7253338876.

Adding to 43142113 its reverse (31124134), we get a palindrome (74266247).

The spelling of 43142113 in words is "forty-three million, one hundred forty-two thousand, one hundred thirteen".