43452231 has 16 divisors (see below), whose sum is σ = 59668224. Its totient is φ = 28111104.

The previous prime is 43452223. The next prime is 43452271. The reversal of 43452231 is 13225434.

43452231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43452231 - 2³ = 43452223 is a prime.

It is a super-2 number, since 2×43452231² = 3776192757754722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43452271) 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 15 ways as a sum of consecutive naturals, for example, 20535 + ... + 22551.

It is an arithmetic number, because the mean of its divisors is an integer number (3729264).

Almost surely, 2^43452231 is an apocalyptic number.

43452231 is a deficient number, since it is larger than the sum of its proper divisors (16215993).

43452231 is a wasteful number, since it uses less digits than its factorization.

43452231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its digits is 2880, while the sum is 24.

The square root of 43452231 is about 6591.8306258580. The cubic root of 43452231 is about 351.5637000295.

Adding to 43452231 its reverse (13225434), we get a palindrome (56677665).

The spelling of 43452231 in words is "forty-three million, four hundred fifty-two thousand, two hundred thirty-one".