9145873 has 4 divisors (see below), whose sum is σ = 9977328. Its totient is φ = 8314420.

The previous prime is 9145867. The next prime is 9145883. The reversal of 9145873 is 3785419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9145873 - 2²¹ = 7048721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9145823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415711 + ... + 415732.

It is an arithmetic number, because the mean of its divisors is an integer number (2494332).

Almost surely, 2^9145873 is an apocalyptic number.

It is an amenable number.

9145873 is a deficient number, since it is larger than the sum of its proper divisors (831455).

9145873 is a wasteful number, since it uses less digits than its factorization.

9145873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831454.

The product of its digits is 30240, while the sum is 37.

The square root of 9145873 is about 3024.2144434547. The cubic root of 9145873 is about 209.1261724508.

The spelling of 9145873 in words is "nine million, one hundred forty-five thousand, eight hundred seventy-three".