4051143 has 6 divisors (see below), whose sum is σ = 5851664. Its totient is φ = 2700756.

The previous prime is 4051139. The next prime is 4051181. The reversal of 4051143 is 3411504.

It is a happy number.

It is not a de Polignac number, because 4051143 - 2² = 4051139 is a prime.

It is a Duffinian number.

4051143 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051133) 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 5 ways as a sum of consecutive naturals, for example, 225055 + ... + 225072.

Almost surely, 2^4051143 is an apocalyptic number.

4051143 is a deficient number, since it is larger than the sum of its proper divisors (1800521).

4051143 is a wasteful number, since it uses less digits than its factorization.

4051143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450133 (or 450130 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4051143 is about 2012.7451403494. The cubic root of 4051143 is about 159.4137792601.

Adding to 4051143 its reverse (3411504), we get a palindrome (7462647).

The spelling of 4051143 in words is "four million, fifty-one thousand, one hundred forty-three".