4447143 has 12 divisors (see below), whose sum is σ = 6661928. Its totient is φ = 2964600.

The previous prime is 4447117. The next prime is 4447151. The reversal of 4447143 is 3417444.

It is not a de Polignac number, because 4447143 - 2⁸ = 4446887 is a prime.

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

It is an Ulam number.

It is a Duffinian number.

4447143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8908 + ... + 9393.

Almost surely, 2^4447143 is an apocalyptic number.

4447143 is a deficient number, since it is larger than the sum of its proper divisors (2214785).

4447143 is an equidigital number, since it uses as much as digits as its factorization.

4447143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316 (or 18304 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4447143 is about 2108.8250283037. The cubic root of 4447143 is about 164.4474076076.

The spelling of 4447143 in words is "four million, four hundred forty-seven thousand, one hundred forty-three".