9159945 has 16 divisors (see below), whose sum is σ = 14710272. Its totient is φ = 4867200.

The previous prime is 9159907. The next prime is 9159977. The reversal of 9159945 is 5499519.

It is a happy number.

It is not a de Polignac number, because 9159945 - 2⁹ = 9159433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9159897 and 9159906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (919392).

Almost surely, 2^9159945 is an apocalyptic number.

It is an amenable number.

9159945 is a deficient number, since it is larger than the sum of its proper divisors (5550327).

9159945 is a wasteful number, since it uses less digits than its factorization.

9159945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272.

The product of its digits is 72900, while the sum is 42.

The square root of 9159945 is about 3026.5401038149. The cubic root of 9159945 is about 209.2333725506.

The spelling of 9159945 in words is "nine million, one hundred fifty-nine thousand, nine hundred forty-five".