4045055 has 16 divisors (see below), whose sum is σ = 5667840. Its totient is φ = 2713632.

The previous prime is 4045051. The next prime is 4045091. The reversal of 4045055 is 5505404.

It is a cyclic number.

It is not a de Polignac number, because 4045055 - 2² = 4045051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4045055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (354240).

Almost surely, 2^4045055 is an apocalyptic number.

4045055 is a deficient number, since it is larger than the sum of its proper divisors (1622785).

4045055 is a wasteful number, since it uses less digits than its factorization.

4045055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 4045055 is about 2011.2322093682. The cubic root of 4045055 is about 159.3338843061. Note that the first 3 decimals are identical.

The spelling of 4045055 in words is "four million, forty-five thousand, fifty-five".