4045042 has 8 divisors (see below), whose sum is σ = 6102000. Its totient is φ = 2011044.

The previous prime is 4045009. The next prime is 4045049. The reversal of 4045042 is 2405404.

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

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, 5292 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (762750).

Almost surely, 2^4045042 is an apocalyptic number.

4045042 is a deficient number, since it is larger than the sum of its proper divisors (2056958).

4045042 is a wasteful number, since it uses less digits than its factorization.

4045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4045042 is about 2011.2289775160. The cubic root of 4045042 is about 159.3337136168. Note that the first 3 decimals are identical.

The spelling of 4045042 in words is "four million, forty-five thousand, forty-two".