144089009 has 2 divisors, whose sum is σ = 144089010. Its totient is φ = 144089008.

The previous prime is 144088979. The next prime is 144089083. The reversal of 144089009 is 900980441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106915600 + 37173409 = 10340^2 + 6097^2 .

It is an emirp because it is prime and its reverse (900980441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144089009 - 2²⁰ = 143040433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144089009.

It is not a weakly prime, because it can be changed into another prime (144089509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72044504 + 72044505.

It is an arithmetic number, because the mean of its divisors is an integer number (72044505).

Almost surely, 2^144089009 is an apocalyptic number.

It is an amenable number.

144089009 is a deficient number, since it is larger than the sum of its proper divisors (1).

144089009 is an equidigital number, since it uses as much as digits as its factorization.

144089009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 144089009 is about 12003.7081354055. The cubic root of 144089009 is about 524.2562517698.

The spelling of 144089009 in words is "one hundred forty-four million, eighty-nine thousand, nine".