43542441 has 14 divisors (see below), whose sum is σ = 65284890. Its totient is φ = 29027808.

The previous prime is 43542431. The next prime is 43542467. The reversal of 43542441 is 14424534.

It is a happy number.

43542441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 7290000 = 6021^2 + 2700^2 .

It is not a de Polignac number, because 43542441 - 2⁵ = 43542409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43542431) 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 13 ways as a sum of consecutive naturals, for example, 29136 + ... + 30593.

Almost surely, 2^43542441 is an apocalyptic number.

It is an amenable number.

43542441 is a deficient number, since it is larger than the sum of its proper divisors (21742449).

43542441 is an frugal number, since it uses more digits than its factorization.

43542441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59747 (or 59732 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 43542441 is about 6598.6696386469. The cubic root of 43542441 is about 351.8068224859.

Adding to 43542441 its reverse (14424534), we get a palindrome (57966975).

The spelling of 43542441 in words is "forty-three million, five hundred forty-two thousand, four hundred forty-one".