4171145 has 16 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 3009600.

The previous prime is 4171117. The next prime is 4171151. The reversal of 4171145 is 5411714.

It is a happy number.

It is not a de Polignac number, because 4171145 - 2¹⁰ = 4170121 is a prime.

It is a super-2 number, since 2×4171145² = 34796901222050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4171145.

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 15 ways as a sum of consecutive naturals, for example, 9746 + ... + 10164.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^4171145 is an apocalyptic number.

It is an amenable number.

4171145 is a deficient number, since it is larger than the sum of its proper divisors (1332535).

4171145 is a wasteful number, since it uses less digits than its factorization.

4171145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its digits is 560, while the sum is 23.

The square root of 4171145 is about 2042.3381208801. The cubic root of 4171145 is about 160.9725272363.

Adding to 4171145 its reverse (5411714), we get a palindrome (9582859).

The spelling of 4171145 in words is "four million, one hundred seventy-one thousand, one hundred forty-five".