4165145 has 8 divisors (see below), whose sum is σ = 5037120. Its totient is φ = 3306160.

The previous prime is 4165103. The next prime is 4165157. The reversal of 4165145 is 5415614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4165145 - 2¹⁸ = 3903001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 3834.

It is an arithmetic number, because the mean of its divisors is an integer number (629640).

Almost surely, 2^4165145 is an apocalyptic number.

It is an amenable number.

4165145 is a deficient number, since it is larger than the sum of its proper divisors (871975).

4165145 is a wasteful number, since it uses less digits than its factorization.

4165145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495.

The product of its digits is 2400, while the sum is 26.

The square root of 4165145 is about 2040.8686875936. The cubic root of 4165145 is about 160.8953063423.

The spelling of 4165145 in words is "four million, one hundred sixty-five thousand, one hundred forty-five".