44002543 has 4 divisors (see below), whose sum is σ = 47387368. Its totient is φ = 40617720.

The previous prime is 44002523. The next prime is 44002549. The reversal of 44002543 is 34520044.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-44002543 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 (44002549) 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, 1692393 + ... + 1692418.

It is an arithmetic number, because the mean of its divisors is an integer number (11846842).

Almost surely, 2^44002543 is an apocalyptic number.

44002543 is a deficient number, since it is larger than the sum of its proper divisors (3384825).

44002543 is a wasteful number, since it uses less digits than its factorization.

44002543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384824.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 44002543 is about 6633.4412637786. The cubic root of 44002543 is about 353.0416346711.

Adding to 44002543 its reverse (34520044), we get a palindrome (78522587).

The spelling of 44002543 in words is "forty-four million, two thousand, five hundred forty-three".