43081159 has 4 divisors (see below), whose sum is σ = 46997640. Its totient is φ = 39164680.

The previous prime is 43081133. The next prime is 43081193. The reversal of 43081159 is 95118034.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43081159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43081159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43081109) 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, 1958224 + ... + 1958245.

It is an arithmetic number, because the mean of its divisors is an integer number (11749410).

Almost surely, 2^43081159 is an apocalyptic number.

43081159 is a deficient number, since it is larger than the sum of its proper divisors (3916481).

43081159 is a wasteful number, since it uses less digits than its factorization.

43081159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916480.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 43081159 is about 6563.6239228036. The cubic root of 43081159 is about 350.5600801362.

The spelling of 43081159 in words is "forty-three million, eighty-one thousand, one hundred fifty-nine".