4565145 has 32 divisors (see below), whose sum is σ = 8072064. Its totient is φ = 2188800.

The previous prime is 4565137. The next prime is 4565159. The reversal of 4565145 is 5415654.

It is not a de Polignac number, because 4565145 - 2³ = 4565137 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 7710 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

Almost surely, 2^4565145 is an apocalyptic number.

It is an amenable number.

4565145 is a deficient number, since it is larger than the sum of its proper divisors (3506919).

4565145 is a wasteful number, since it uses less digits than its factorization.

4565145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 12000, while the sum is 30.

The square root of 4565145 is about 2136.6199942900. The cubic root of 4565145 is about 165.8892303060.

The spelling of 4565145 in words is "four million, five hundred sixty-five thousand, one hundred forty-five".