43448159 has 4 divisors (see below), whose sum is σ = 43565016. Its totient is φ = 43331304.

The previous prime is 43448149. The next prime is 43448179. The reversal of 43448159 is 95184434.

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-43448159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43448129) 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, 57869 + ... + 58614.

It is an arithmetic number, because the mean of its divisors is an integer number (10891254).

Almost surely, 2^43448159 is an apocalyptic number.

43448159 is a deficient number, since it is larger than the sum of its proper divisors (116857).

43448159 is a wasteful number, since it uses less digits than its factorization.

43448159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116856.

The product of its digits is 69120, while the sum is 38.

The square root of 43448159 is about 6591.5217514623. The cubic root of 43448159 is about 351.5527177617.

The spelling of 43448159 in words is "forty-three million, four hundred forty-eight thousand, one hundred fifty-nine".