43225144 has 16 divisors (see below), whose sum is σ = 81640800. Its totient is φ = 21454272.

The previous prime is 43225141. The next prime is 43225151. The reversal of 43225144 is 44152234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43225141) 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, 18624 + ... + 20815.

It is an arithmetic number, because the mean of its divisors is an integer number (5102550).

Almost surely, 2^43225144 is an apocalyptic number.

It is an amenable number.

43225144 is a deficient number, since it is larger than the sum of its proper divisors (38415656).

43225144 is a wasteful number, since it uses less digits than its factorization.

43225144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39582 (or 39578 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 43225144 is about 6574.5831807043. The cubic root of 43225144 is about 350.9501908472.

Adding to 43225144 its reverse (44152234), we get a palindrome (87377378).

The spelling of 43225144 in words is "forty-three million, two hundred twenty-five thousand, one hundred forty-four".