4045166 has 4 divisors (see below), whose sum is σ = 6067752. Its totient is φ = 2022582.

The previous prime is 4045163. The next prime is 4045213. The reversal of 4045166 is 6615404.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011290 + ... + 1011293.

It is an arithmetic number, because the mean of its divisors is an integer number (1516938).

Almost surely, 2^4045166 is an apocalyptic number.

4045166 is a deficient number, since it is larger than the sum of its proper divisors (2022586).

4045166 is a wasteful number, since it uses less digits than its factorization.

4045166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022585.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4045166 is about 2011.2598042023. The cubic root of 4045166 is about 159.3353417151.

The spelling of 4045166 in words is "four million, forty-five thousand, one hundred sixty-six".