4045143 has 4 divisors (see below), whose sum is σ = 5393528. Its totient is φ = 2696760.

The previous prime is 4045141. The next prime is 4045147. The reversal of 4045143 is 3415404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4045143 - 2¹ = 4045141 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674188 + ... + 674193.

It is an arithmetic number, because the mean of its divisors is an integer number (1348382).

Almost surely, 2^4045143 is an apocalyptic number.

4045143 is a deficient number, since it is larger than the sum of its proper divisors (1348385).

4045143 is a wasteful number, since it uses less digits than its factorization.

4045143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348384.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4045143 is about 2011.2540863849. The cubic root of 4045143 is about 159.3350397317.

The spelling of 4045143 in words is "four million, forty-five thousand, one hundred forty-three".