144095989 has 8 divisors (see below), whose sum is σ = 150575040. Its totient is φ = 137634816.

The previous prime is 144095971. The next prime is 144095999. The reversal of 144095989 is 989590441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144095989 - 2⁹ = 144095477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144095999) 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, 13614 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (18821880).

Almost surely, 2^144095989 is an apocalyptic number.

It is an amenable number.

144095989 is a deficient number, since it is larger than the sum of its proper divisors (6479051).

144095989 is an equidigital number, since it uses as much as digits as its factorization.

144095989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 144095989 is about 12003.9988753748. The cubic root of 144095989 is about 524.2647170224.

The spelling of 144095989 in words is "one hundred forty-four million, ninety-five thousand, nine hundred eighty-nine".