4775145 has 16 divisors (see below), whose sum is σ = 7972992. Its totient is φ = 2435840.

The previous prime is 4775143. The next prime is 4775159. The reversal of 4775145 is 5415774.

4775145 = T₄₃₈ + T₄₃₉ + ... + T₄₈₂.

4775145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4775145 - 2¹ = 4775143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4775143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6576 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (498312).

Almost surely, 2^4775145 is an apocalyptic number.

It is an amenable number.

4775145 is a deficient number, since it is larger than the sum of its proper divisors (3197847).

4775145 is a wasteful number, since it uses less digits than its factorization.

4775145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872.

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

The square root of 4775145 is about 2185.2105161746. The cubic root of 4775145 is about 168.3948690707.

The spelling of 4775145 in words is "four million, seven hundred seventy-five thousand, one hundred forty-five".