4043145 has 8 divisors (see below), whose sum is σ = 6469056. Its totient is φ = 2156336.

The previous prime is 4043129. The next prime is 4043159. The reversal of 4043145 is 5413404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4043145 - 2⁴ = 4043129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134757 + ... + 134786.

It is an arithmetic number, because the mean of its divisors is an integer number (808632).

Almost surely, 2^4043145 is an apocalyptic number.

It is an amenable number.

4043145 is a deficient number, since it is larger than the sum of its proper divisors (2425911).

4043145 is a wasteful number, since it uses less digits than its factorization.

4043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269551.

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

The square root of 4043145 is about 2010.7573200165. The cubic root of 4043145 is about 159.3088021889.

Adding to 4043145 its reverse (5413404), we get a palindrome (9456549).

The spelling of 4043145 in words is "four million, forty-three thousand, one hundred forty-five".