9112145 has 16 divisors (see below), whose sum is σ = 12593280. Its totient is φ = 6200064.

The previous prime is 9112141. The next prime is 9112157. The reversal of 9112145 is 5412119.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9112145 - 2² = 9112141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9112145.

It is not an unprimeable number, because it can be changed into a prime (9112141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929 + ... + 5801.

It is an arithmetic number, because the mean of its divisors is an integer number (787080).

Almost surely, 2^9112145 is an apocalyptic number.

It is an amenable number.

9112145 is a deficient number, since it is larger than the sum of its proper divisors (3481135).

9112145 is a wasteful number, since it uses less digits than its factorization.

9112145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 360, while the sum is 23.

The square root of 9112145 is about 3018.6329687460. The cubic root of 9112145 is about 208.8687851086.

The spelling of 9112145 in words is "nine million, one hundred twelve thousand, one hundred forty-five".