4045115 has 4 divisors (see below), whose sum is σ = 4854144. Its totient is φ = 3236088.

The previous prime is 4045103. The next prime is 4045117. The reversal of 4045115 is 5115404.

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

It is a cyclic number.

It is not a de Polignac number, because 4045115 - 2⁶ = 4045051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045117) 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, 404507 + ... + 404516.

It is an arithmetic number, because the mean of its divisors is an integer number (1213536).

Almost surely, 2^4045115 is an apocalyptic number.

4045115 is a deficient number, since it is larger than the sum of its proper divisors (809029).

4045115 is an equidigital number, since it uses as much as digits as its factorization.

4045115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809028.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4045115 is about 2011.2471255418. The cubic root of 4045115 is about 159.3346720981.

The spelling of 4045115 in words is "four million, forty-five thousand, one hundred fifteen".