9145917 has 12 divisors (see below), whose sum is σ = 14411904. Its totient is φ = 5542920.

The previous prime is 9145901. The next prime is 9145921. The reversal of 9145917 is 7195419.

It is not a de Polignac number, because 9145917 - 2⁴ = 9145901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46093 + ... + 46290.

It is an arithmetic number, because the mean of its divisors is an integer number (1200992).

Almost surely, 2^9145917 is an apocalyptic number.

It is an amenable number.

9145917 is a deficient number, since it is larger than the sum of its proper divisors (5265987).

9145917 is a wasteful number, since it uses less digits than its factorization.

9145917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92400 (or 92397 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 9145917 is about 3024.2217180624. The cubic root of 9145917 is about 209.1265078129.

The spelling of 9145917 in words is "nine million, one hundred forty-five thousand, nine hundred seventeen".