4257143 has 12 divisors (see below), whose sum is σ = 4730544. Its totient is φ = 3828000.

The previous prime is 4257133. The next prime is 4257161. The reversal of 4257143 is 3417524.

It is not a de Polignac number, because 4257143 - 2¹² = 4253047 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 (4257133) 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 11 ways as a sum of consecutive naturals, for example, 18155 + ... + 18387.

It is an arithmetic number, because the mean of its divisors is an integer number (394212).

Almost surely, 2^4257143 is an apocalyptic number.

4257143 is a deficient number, since it is larger than the sum of its proper divisors (473401).

4257143 is a wasteful number, since it uses less digits than its factorization.

4257143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 395 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 4257143 is about 2063.2845174624. The cubic root of 4257143 is about 162.0712865150.

The spelling of 4257143 in words is "four million, two hundred fifty-seven thousand, one hundred forty-three".