9145644 has 24 divisors (see below), whose sum is σ = 21497280. Its totient is φ = 3026064.

The previous prime is 9145637. The next prime is 9145663. The reversal of 9145644 is 4465419.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (895720).

Almost surely, 2^9145644 is an apocalyptic number.

It is an amenable number.

9145644 is an abundant number, since it is smaller than the sum of its proper divisors (12351636).

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

9145644 is a wasteful number, since it uses less digits than its factorization.

9145644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5627 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 9145644 is about 3024.1765821460. The cubic root of 9145644 is about 209.1244270263.

The spelling of 9145644 in words is "nine million, one hundred forty-five thousand, six hundred forty-four".