43143424 has 36 divisors (see below), whose sum is σ = 86861824. Its totient is φ = 21385728.

The previous prime is 43143421. The next prime is 43143437. The reversal of 43143424 is 42434134.

It is a super-2 number, since 2×43143424² = 3722710068887552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31849 + ... + 33175.

Almost surely, 2^43143424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43143424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43430912).

43143424 is an abundant number, since it is smaller than the sum of its proper divisors (43718400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43143424 is a wasteful number, since it uses less digits than its factorization.

43143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1456 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 43143424 is about 6568.3653978749. The cubic root of 43143424 is about 350.7288864586.

Adding to 43143424 its reverse (42434134), we get a palindrome (85577558).

The spelling of 43143424 in words is "forty-three million, one hundred forty-three thousand, four hundred twenty-four".