4045043 has 4 divisors (see below), whose sum is σ = 4257960. Its totient is φ = 3832128.

The previous prime is 4045009. The next prime is 4045049. The reversal of 4045043 is 3405404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045049) 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, 106430 + ... + 106467.

It is an arithmetic number, because the mean of its divisors is an integer number (1064490).

Almost surely, 2^4045043 is an apocalyptic number.

4045043 is a deficient number, since it is larger than the sum of its proper divisors (212917).

4045043 is a wasteful number, since it uses less digits than its factorization.

4045043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212916.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4045043 is about 2011.2292261202. The cubic root of 4045043 is about 159.3337267467. Note that the first 3 decimals are identical.

The spelling of 4045043 in words is "four million, forty-five thousand, forty-three".