4056143 has 24 divisors (see below), whose sum is σ = 5267808. Its totient is φ = 3040128.

The previous prime is 4056137. The next prime is 4056161. The reversal of 4056143 is 3416504.

It is a happy number.

It is not a de Polignac number, because 4056143 - 2⁶ = 4056079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76505 + ... + 76557.

It is an arithmetic number, because the mean of its divisors is an integer number (219492).

Almost surely, 2^4056143 is an apocalyptic number.

4056143 is a deficient number, since it is larger than the sum of its proper divisors (1211665).

4056143 is a wasteful number, since it uses less digits than its factorization.

4056143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4056143 is about 2013.9868420623. The cubic root of 4056143 is about 159.4793361660.

It can be divided in two parts, 40561 and 43, that added together give a palindrome (40604).

The spelling of 4056143 in words is "four million, fifty-six thousand, one hundred forty-three".