44140543 has 4 divisors (see below), whose sum is σ = 44157528. Its totient is φ = 44123560.

The previous prime is 44140511. The next prime is 44140549. The reversal of 44140543 is 34504144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44140543 - 2⁵ = 44140511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140549) 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, 3688 + ... + 10093.

It is an arithmetic number, because the mean of its divisors is an integer number (11039382).

Almost surely, 2^44140543 is an apocalyptic number.

44140543 is a deficient number, since it is larger than the sum of its proper divisors (16985).

44140543 is a wasteful number, since it uses less digits than its factorization.

44140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16984.

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

The square root of 44140543 is about 6643.8349618274. The cubic root of 44140543 is about 353.4103171721.

Adding to 44140543 its reverse (34504144), we get a palindrome (78644687).

The spelling of 44140543 in words is "forty-four million, one hundred forty thousand, five hundred forty-three".