43102161 has 12 divisors (see below), whose sum is σ = 64965888. Its totient is φ = 27485304.

The previous prime is 43102133. The next prime is 43102177. The reversal of 43102161 is 16120134.

It is a happy number.

It is not a de Polignac number, because 43102161 - 2⁶ = 43102097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43102181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103905 + ... + 104318.

It is an arithmetic number, because the mean of its divisors is an integer number (5413824).

Almost surely, 2^43102161 is an apocalyptic number.

It is an amenable number.

43102161 is a deficient number, since it is larger than the sum of its proper divisors (21863727).

43102161 is a wasteful number, since it uses less digits than its factorization.

43102161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208252 (or 208249 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 43102161 is about 6565.2236062453. The cubic root of 43102161 is about 350.6170367185.

Adding to 43102161 its reverse (16120134), we get a palindrome (59222295).

The spelling of 43102161 in words is "forty-three million, one hundred two thousand, one hundred sixty-one".