144590009 has 4 divisors (see below), whose sum is σ = 146626560. Its totient is φ = 142553460.

The previous prime is 144589993. The next prime is 144590021. The reversal of 144590009 is 900095441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144590009 - 2⁴ = 144589993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144590909) 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, 1018169 + ... + 1018310.

It is an arithmetic number, because the mean of its divisors is an integer number (36656640).

Almost surely, 2^144590009 is an apocalyptic number.

It is an amenable number.

144590009 is a deficient number, since it is larger than the sum of its proper divisors (2036551).

144590009 is an equidigital number, since it uses as much as digits as its factorization.

144590009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036550.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 144590009 is about 12024.5585781766. The cubic root of 144590009 is about 524.8631649433.

The spelling of 144590009 in words is "one hundred forty-four million, five hundred ninety thousand, nine".