4578145 has 32 divisors (see below), whose sum is σ = 6814080. Its totient is φ = 2903040.

The previous prime is 4578139. The next prime is 4578163. The reversal of 4578145 is 5418754.

It is not a de Polignac number, because 4578145 - 2⁵ = 4578113 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4578145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13417 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (212940).

Almost surely, 2^4578145 is an apocalyptic number.

It is an amenable number.

4578145 is a deficient number, since it is larger than the sum of its proper divisors (2235935).

4578145 is a wasteful number, since it uses less digits than its factorization.

4578145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 22400, while the sum is 34.

The square root of 4578145 is about 2139.6600197228. The cubic root of 4578145 is about 166.0465466799.

The spelling of 4578145 in words is "four million, five hundred seventy-eight thousand, one hundred forty-five".