9144645 has 16 divisors (see below), whose sum is σ = 14818560. Its totient is φ = 4814784.

The previous prime is 9144631. The next prime is 9144677. The reversal of 9144645 is 5464419.

It is not a de Polignac number, because 9144645 - 2⁶ = 9144581 is a prime.

It is an Ulam number.

It is a Curzon number.

9144645 is a lucky number.

It is a congruent number.

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, 2674 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (926160).

Almost surely, 2^9144645 is an apocalyptic number.

It is an amenable number.

9144645 is a deficient number, since it is larger than the sum of its proper divisors (5673915).

9144645 is a wasteful number, since it uses less digits than its factorization.

9144645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804.

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

The square root of 9144645 is about 3024.0114087086. The cubic root of 9144645 is about 209.1168123662.

The spelling of 9144645 in words is "nine million, one hundred forty-four thousand, six hundred forty-five".