4157143 has 4 divisors (see below), whose sum is σ = 4375960. Its totient is φ = 3938328.

The previous prime is 4157141. The next prime is 4157147. The reversal of 4157143 is 3417514.

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 4157143 - 2¹ = 4157141 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 (4157141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109380 + ... + 109417.

It is an arithmetic number, because the mean of its divisors is an integer number (1093990).

Almost surely, 2^4157143 is an apocalyptic number.

4157143 is a deficient number, since it is larger than the sum of its proper divisors (218817).

4157143 is a wasteful number, since it uses less digits than its factorization.

4157143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218816.

The product of its digits is 1680, while the sum is 25.

The square root of 4157143 is about 2038.9073053967. The cubic root of 4157143 is about 160.7922039198.

It can be divided in two parts, 41571 and 43, that added together give a palindrome (41614).

The spelling of 4157143 in words is "four million, one hundred fifty-seven thousand, one hundred forty-three".