43142164 has 12 divisors (see below), whose sum is σ = 81306484. Its totient is φ = 19911744.

The previous prime is 43142123. The next prime is 43142167. The reversal of 43142164 is 46124134.

It can be written as a sum of positive squares in 2 ways, for example, as 3452164 + 39690000 = 1858^2 + 6300^2 .

It is a super-2 number, since 2×43142164² = 3722492629205792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142167) 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, 414777 + ... + 414880.

Almost surely, 2^43142164 is an apocalyptic number.

It is an amenable number.

43142164 is a deficient number, since it is larger than the sum of its proper divisors (38164320).

43142164 is a wasteful number, since it uses less digits than its factorization.

43142164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829674 (or 829672 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 43142164 is about 6568.2694829003. The cubic root of 43142164 is about 350.7254720896.

Adding to 43142164 its reverse (46124134), we get a palindrome (89266298).

The spelling of 43142164 in words is "forty-three million, one hundred forty-two thousand, one hundred sixty-four".