43144541 has 4 divisors (see below), whose sum is σ = 47066784. Its totient is φ = 39222300.

The previous prime is 43144511. The next prime is 43144559. The reversal of 43144541 is 14544134.

It is a happy number.

43144541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43144541 - 2⁶ = 43144477 is a prime.

It is a super-2 number, since 2×43144541² = 3722902836201362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43144541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43144511) 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 3 ways as a sum of consecutive naturals, for example, 1961105 + ... + 1961126.

It is an arithmetic number, because the mean of its divisors is an integer number (11766696).

Almost surely, 2^43144541 is an apocalyptic number.

It is an amenable number.

43144541 is a deficient number, since it is larger than the sum of its proper divisors (3922243).

43144541 is a wasteful number, since it uses less digits than its factorization.

43144541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922242.

The product of its digits is 3840, while the sum is 26.

The square root of 43144541 is about 6568.4504260899. The cubic root of 43144541 is about 350.7319132681.

Adding to 43144541 its reverse (14544134), we get a palindrome (57688675).

The spelling of 43144541 in words is "forty-three million, one hundred forty-four thousand, five hundred forty-one".