4045775 has 6 divisors (see below), whose sum is σ = 5016792. Its totient is φ = 3236600.

The previous prime is 4045771. The next prime is 4045781. The reversal of 4045775 is 5775404.

It is not a de Polignac number, because 4045775 - 2² = 4045771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045771) 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 5 ways as a sum of consecutive naturals, for example, 80891 + ... + 80940.

It is an arithmetic number, because the mean of its divisors is an integer number (836132).

Almost surely, 2^4045775 is an apocalyptic number.

4045775 is a deficient number, since it is larger than the sum of its proper divisors (971017).

4045775 is a wasteful number, since it uses less digits than its factorization.

4045775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161841 (or 161836 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4045775 is about 2011.4111961506. The cubic root of 4045775 is about 159.3433372959.

The spelling of 4045775 in words is "four million, forty-five thousand, seven hundred seventy-five".