44147474143 has 4 divisors (see below), whose sum is σ = 44148091968. Its totient is φ = 44146856320.

The previous prime is 44147474141. The next prime is 44147474153. The reversal of 44147474143 is 34147474144.

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 44147474143 - 2¹ = 44147474141 is a prime.

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 44147474143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44147474141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185218 + ... + 350143.

It is an arithmetic number, because the mean of its divisors is an integer number (11037022992).

Almost surely, 2^44147474143 is an apocalyptic number.

44147474143 is a deficient number, since it is larger than the sum of its proper divisors (617825).

44147474143 is an equidigital number, since it uses as much as digits as its factorization.

44147474143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617824.

The product of its digits is 602112, while the sum is 43.

Subtracting from 44147474143 its reverse (34147474144), we obtain a palindrome (9999999999).

The spelling of 44147474143 in words is "forty-four billion, one hundred forty-seven million, four hundred seventy-four thousand, one hundred forty-three".