43271045 has 16 divisors (see below), whose sum is σ = 53915760. Its totient is φ = 33298944.

The previous prime is 43271017. The next prime is 43271047. The reversal of 43271045 is 54017234.

It can be written as a sum of positive squares in 8 ways, for example, as 961 + 43270084 = 31^2 + 6578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43271045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43271047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65939 + ... + 66591.

It is an arithmetic number, because the mean of its divisors is an integer number (3369735).

Almost surely, 2^43271045 is an apocalyptic number.

It is an amenable number.

43271045 is a deficient number, since it is larger than the sum of its proper divisors (10644715).

43271045 is a wasteful number, since it uses less digits than its factorization.

43271045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 43271045 is about 6578.0730461131. The cubic root of 43271045 is about 351.0743721648.

Adding to 43271045 its reverse (54017234), we get a palindrome (97288279).

The spelling of 43271045 in words is "forty-three million, two hundred seventy-one thousand, forty-five".