6546143 has 4 divisors (see below), whose sum is σ = 6580608. Its totient is φ = 6511680.

The previous prime is 6546131. The next prime is 6546149. The reversal of 6546143 is 3416456.

It is a happy number.

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 6546143 - 2⁶ = 6546079 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 (6546149) 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, 16946 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (1645152).

Almost surely, 2^6546143 is an apocalyptic number.

6546143 is a deficient number, since it is larger than the sum of its proper divisors (34465).

6546143 is a wasteful number, since it uses less digits than its factorization.

6546143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34464.

The product of its digits is 8640, while the sum is 29.

The square root of 6546143 is about 2558.5431401483. The cubic root of 6546143 is about 187.0661304424.

The spelling of 6546143 in words is "six million, five hundred forty-six thousand, one hundred forty-three".