9017145 has 12 divisors (see below), whose sum is σ = 15629796. Its totient is φ = 4809120.

The previous prime is 9017137. The next prime is 9017161. The reversal of 9017145 is 5417109.

9017145 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 7634169 = 1176^2 + 2763^2 .

It is not a de Polignac number, because 9017145 - 2³ = 9017137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100146 + ... + 100235.

It is an arithmetic number, because the mean of its divisors is an integer number (1302483).

Almost surely, 2^9017145 is an apocalyptic number.

It is an amenable number.

9017145 is a deficient number, since it is larger than the sum of its proper divisors (6612651).

9017145 is a wasteful number, since it uses less digits than its factorization.

9017145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200392 (or 200389 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 9017145 is about 3002.8561404103. The cubic root of 9017145 is about 208.1403838424.

The spelling of 9017145 in words is "nine million, seventeen thousand, one hundred forty-five".