144398589 has 16 divisors (see below), whose sum is σ = 200722944. Its totient is φ = 92232000.

The previous prime is 144398567. The next prime is 144398591. The reversal of 144398589 is 985893441.

It is not a de Polignac number, because 144398589 - 2⁵ = 144398557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144398539) 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, 1707 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (12545184).

Almost surely, 2^144398589 is an apocalyptic number.

It is an amenable number.

144398589 is a deficient number, since it is larger than the sum of its proper divisors (56324355).

144398589 is a wasteful number, since it uses less digits than its factorization.

144398589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508.

The product of its digits is 1244160, while the sum is 51.

The square root of 144398589 is about 12016.5963983151. The cubic root of 144398589 is about 524.6314438241.

The spelling of 144398589 in words is "one hundred forty-four million, three hundred ninety-eight thousand, five hundred eighty-nine".