4081143 has 32 divisors (see below), whose sum is σ = 6543360. Its totient is φ = 2233440.

The previous prime is 4081111. The next prime is 4081153. The reversal of 4081143 is 3411804.

It is not a de Polignac number, because 4081143 - 2⁵ = 4081111 is a prime.

4081143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14280 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (204480).

Almost surely, 2^4081143 is an apocalyptic number.

4081143 is a deficient number, since it is larger than the sum of its proper divisors (2462217).

4081143 is a wasteful number, since it uses less digits than its factorization.

4081143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4081143 is about 2020.1839025198. The cubic root of 4081143 is about 159.8063151123.

Adding to 4081143 its reverse (3411804), we get a palindrome (7492947).

It can be divided in two parts, 4081 and 143, that added together give a palindrome (4224).

The spelling of 4081143 in words is "four million, eighty-one thousand, one hundred forty-three".