9144561 has 8 divisors (see below), whose sum is σ = 12248320. Its totient is φ = 6068592.

The previous prime is 9144511. The next prime is 9144563. The reversal of 9144561 is 1654419.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9144561 - 2⁷ = 9144433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9144563) by changing a digit.

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, 6166 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (1531040).

Almost surely, 2^9144561 is an apocalyptic number.

It is an amenable number.

9144561 is a deficient number, since it is larger than the sum of its proper divisors (3103759).

9144561 is a wasteful number, since it uses less digits than its factorization.

9144561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13895.

The product of its digits is 4320, while the sum is 30.

The square root of 9144561 is about 3023.9975198403. The cubic root of 9144561 is about 209.1161720693.

The spelling of 9144561 in words is "nine million, one hundred forty-four thousand, five hundred sixty-one".