4547143 has 4 divisors (see below), whose sum is σ = 4814640. Its totient is φ = 4279648.

The previous prime is 4547129. The next prime is 4547149. The reversal of 4547143 is 3417454.

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

It is not a de Polignac number, because 4547143 - 2⁹ = 4546631 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 (4547149) 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, 133723 + ... + 133756.

It is an arithmetic number, because the mean of its divisors is an integer number (1203660).

Almost surely, 2^4547143 is an apocalyptic number.

4547143 is a deficient number, since it is larger than the sum of its proper divisors (267497).

4547143 is a wasteful number, since it uses less digits than its factorization.

4547143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267496.

The product of its digits is 6720, while the sum is 28.

The square root of 4547143 is about 2132.4031044810. The cubic root of 4547143 is about 165.6708895271.

It can be divided in two parts, 45471 and 43, that multiplied together give a triangular number (1955253 = T₁₉₇₇).

The spelling of 4547143 in words is "four million, five hundred forty-seven thousand, one hundred forty-three".