4158243 has 16 divisors (see below), whose sum is σ = 6192160. Its totient is φ = 2757888.

The previous prime is 4158233. The next prime is 4158289. The reversal of 4158243 is 3428514.

4158243 is a `hidden beast` number, since 41 + 582 + 43 = 666.

It is not a de Polignac number, because 4158243 - 2⁵ = 4158211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

4158243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4158233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8871 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (387010).

Almost surely, 2^4158243 is an apocalyptic number.

4158243 is a deficient number, since it is larger than the sum of its proper divisors (2033917).

4158243 is a wasteful number, since it uses less digits than its factorization.

4158243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 797 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4158243 is about 2039.1770398864. The cubic root of 4158243 is about 160.8063847988.

Subtracting from 4158243 its product of digits (3840), we obtain a triangular number (4154403 = T₂₈₈₂).

The spelling of 4158243 in words is "four million, one hundred fifty-eight thousand, two hundred forty-three".