4145775 has 24 divisors (see below), whose sum is σ = 6916224. Its totient is φ = 2191200.

The previous prime is 4145737. The next prime is 4145777. The reversal of 4145775 is 5775414.

It is not a de Polignac number, because 4145775 - 2⁶ = 4145711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12360 + ... + 12690.

It is an arithmetic number, because the mean of its divisors is an integer number (288176).

Almost surely, 2^4145775 is an apocalyptic number.

4145775 is a deficient number, since it is larger than the sum of its proper divisors (2770449).

4145775 is a wasteful number, since it uses less digits than its factorization.

4145775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 506 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 4145775 is about 2036.1176292150. The cubic root of 4145775 is about 160.6455042536.

The spelling of 4145775 in words is "four million, one hundred forty-five thousand, seven hundred seventy-five".