144412009 has 16 divisors (see below), whose sum is σ = 173214720. Its totient is φ = 117714960.

The previous prime is 144412003. The next prime is 144412019. The reversal of 144412009 is 900214441.

144412009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144412009 - 2⁹ = 144411497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144412003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26314 + ... + 31324.

It is an arithmetic number, because the mean of its divisors is an integer number (10825920).

Almost surely, 2^144412009 is an apocalyptic number.

It is an amenable number.

144412009 is a deficient number, since it is larger than the sum of its proper divisors (28802711).

144412009 is a wasteful number, since it uses less digits than its factorization.

144412009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 144412009 is about 12017.1547797305. The cubic root of 144412009 is about 524.6476959125.

The spelling of 144412009 in words is "one hundred forty-four million, four hundred twelve thousand, nine".