43230161 has 8 divisors (see below), whose sum is σ = 46615464. Its totient is φ = 39853440.

The previous prime is 43230157. The next prime is 43230181. The reversal of 43230161 is 16103234.

43230161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7756225 + 35473936 = 2785^2 + 5956^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43230161 - 2² = 43230157 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43230101) 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 7 ways as a sum of consecutive naturals, for example, 11645 + ... + 14901.

It is an arithmetic number, because the mean of its divisors is an integer number (5826933).

Almost surely, 2^43230161 is an apocalyptic number.

It is an amenable number.

43230161 is a deficient number, since it is larger than the sum of its proper divisors (3385303).

43230161 is a wasteful number, since it uses less digits than its factorization.

43230161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 43230161 is about 6574.9647147342. The cubic root of 43230161 is about 350.9637681992.

Adding to 43230161 its reverse (16103234), we get a palindrome (59333395).

The spelling of 43230161 in words is "forty-three million, two hundred thirty thousand, one hundred sixty-one".