43144144 has 40 divisors (see below), whose sum is σ = 85655232. Its totient is φ = 21047040.

The previous prime is 43144133. The next prime is 43144151. The reversal of 43144144 is 44144134.

It is a happy number.

It is a super-2 number, since 2×43144144² = 3722834322985472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185052 + ... + 185284.

Almost surely, 2^43144144 is an apocalyptic number.

It is an amenable number.

43144144 is a deficient number, since it is larger than the sum of its proper divisors (42511088).

43144144 is a wasteful number, since it uses less digits than its factorization.

43144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 43144144 is about 6568.4202058029. The cubic root of 43144144 is about 350.7308374967.

Adding to 43144144 its reverse (44144134), we get a palindrome (87288278).

The spelling of 43144144 in words is "forty-three million, one hundred forty-four thousand, one hundred forty-four".