4551143 has 4 divisors (see below), whose sum is σ = 4598160. Its totient is φ = 4504128.

The previous prime is 4551137. The next prime is 4551179. The reversal of 4551143 is 3411554.

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 4551143 - 2²⁰ = 3502567 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 (4551103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23363 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (1149540).

Almost surely, 2^4551143 is an apocalyptic number.

4551143 is a deficient number, since it is larger than the sum of its proper divisors (47017).

4551143 is an equidigital number, since it uses as much as digits as its factorization.

4551143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47016.

The product of its digits is 1200, while the sum is 23.

The square root of 4551143 is about 2133.3408072786. The cubic root of 4551143 is about 165.7194540387.

Adding to 4551143 its reverse (3411554), we get a palindrome (7962697).

It can be divided in two parts, 45511 and 43, that added together give a palindrome (45554).

The spelling of 4551143 in words is "four million, five hundred fifty-one thousand, one hundred forty-three".