9145992 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 2790720.

The previous prime is 9145987. The next prime is 9146009. The reversal of 9145992 is 2995419.

It is a self number, because there is not a number n which added to its sum of digits gives 9145992.

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, 13813 + ... + 14459.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^9145992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441600).

9145992 is an abundant number, since it is smaller than the sum of its proper divisors (15737208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145992 is a wasteful number, since it uses less digits than its factorization.

9145992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 9145992 is about 3024.2341179214. The cubic root of 9145992 is about 209.1270794503.

The spelling of 9145992 in words is "nine million, one hundred forty-five thousand, nine hundred ninety-two".