43142005 has 16 divisors (see below), whose sum is σ = 55987200. Its totient is φ = 31789312.

The previous prime is 43142003. The next prime is 43142009. The reversal of 43142005 is 50024134.

43142005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43142005 - 2¹ = 43142003 is a prime.

It is a super-2 number, since 2×43142005² = 3722465190840050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43142003) 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 15 ways as a sum of consecutive naturals, for example, 1405 + ... + 9394.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^43142005 is an apocalyptic number.

It is an amenable number.

43142005 is a deficient number, since it is larger than the sum of its proper divisors (12845195).

43142005 is a wasteful number, since it uses less digits than its factorization.

43142005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 43142005 is about 6568.2573792445. The cubic root of 43142005 is about 350.7250412241.

Adding to 43142005 its reverse (50024134), we get a palindrome (93166139).

It can be divided in two parts, 431 and 42005, that added together give a square (42436 = 206²).

The spelling of 43142005 in words is "forty-three million, one hundred forty-two thousand, five".