9012144 has 40 divisors (see below), whose sum is σ = 23427072. Its totient is φ = 2985280.

The previous prime is 9012131. The next prime is 9012149. The reversal of 9012144 is 4412109.

It is a self number, because there is not a number n which added to its sum of digits gives 9012144.

It is not an unprimeable number, because it can be changed into a prime (9012149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8677 + ... + 9659.

Almost surely, 2^9012144 is an apocalyptic number.

It is an amenable number.

9012144 is an abundant number, since it is smaller than the sum of its proper divisors (14414928).

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

9012144 is a wasteful number, since it uses less digits than its factorization.

9012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 9012144 is about 3002.0233176976. The cubic root of 9012144 is about 208.1018978046.

The spelling of 9012144 in words is "nine million, twelve thousand, one hundred forty-four".