6456143 has 8 divisors (see below), whose sum is σ = 6864000. Its totient is φ = 6055128.

The previous prime is 6456137. The next prime is 6456161. The reversal of 6456143 is 3416546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6456143 - 2¹⁴ = 6439759 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 (6456113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (858000).

Almost surely, 2^6456143 is an apocalyptic number.

6456143 is a deficient number, since it is larger than the sum of its proper divisors (407857).

6456143 is a wasteful number, since it uses less digits than its factorization.

6456143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

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

The square root of 6456143 is about 2540.8941339615. The cubic root of 6456143 is about 186.2048750340.

The spelling of 6456143 in words is "six million, four hundred fifty-six thousand, one hundred forty-three".