144216089 has 2 divisors, whose sum is σ = 144216090. Its totient is φ = 144216088.

The previous prime is 144216071. The next prime is 144216091. The reversal of 144216089 is 980612441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 24025 = 12008^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144216089 is a prime.

Together with 144216091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144216019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72108044 + 72108045.

It is an arithmetic number, because the mean of its divisors is an integer number (72108045).

Almost surely, 2^144216089 is an apocalyptic number.

It is an amenable number.

144216089 is a deficient number, since it is larger than the sum of its proper divisors (1).

144216089 is an equidigital number, since it uses as much as digits as its factorization.

144216089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 144216089 is about 12009.0003330835. Note that the first 3 decimals coincide. The cubic root of 144216089 is about 524.4103299296.

The spelling of 144216089 in words is "one hundred forty-four million, two hundred sixteen thousand, eighty-nine".