144389319 has 8 divisors (see below), whose sum is σ = 192599280. Its totient is φ = 96219456.

The previous prime is 144389299. The next prime is 144389353. The reversal of 144389319 is 913983441.

144389319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144389319 - 2⁷ = 144389191 is a prime.

It is a super-2 number, since 2×144389319² = 41696550882567522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144389359) 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, 262 + ... + 16995.

It is an arithmetic number, because the mean of its divisors is an integer number (24074910).

Almost surely, 2^144389319 is an apocalyptic number.

144389319 is a deficient number, since it is larger than the sum of its proper divisors (48209961).

144389319 is a wasteful number, since it uses less digits than its factorization.

144389319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20049.

The product of its digits is 93312, while the sum is 42.

The square root of 144389319 is about 12016.2106755832. The cubic root of 144389319 is about 524.6202169426.

The spelling of 144389319 in words is "one hundred forty-four million, three hundred eighty-nine thousand, three hundred nineteen".