9144231 has 4 divisors (see below), whose sum is σ = 12192312. Its totient is φ = 6096152.

The previous prime is 9144229. The next prime is 9144253. The reversal of 9144231 is 1324419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9144231 - 2¹ = 9144229 is a prime.

It is a super-2 number, since 2×9144231² = 167233921162722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524036 + ... + 1524041.

It is an arithmetic number, because the mean of its divisors is an integer number (3048078).

Almost surely, 2^9144231 is an apocalyptic number.

9144231 is a deficient number, since it is larger than the sum of its proper divisors (3048081).

9144231 is a wasteful number, since it uses less digits than its factorization.

9144231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048080.

The product of its digits is 864, while the sum is 24.

The square root of 9144231 is about 3023.9429558112. The cubic root of 9144231 is about 209.1136565788.

The spelling of 9144231 in words is "nine million, one hundred forty-four thousand, two hundred thirty-one".