144209089 has 2 divisors, whose sum is σ = 144209090. Its totient is φ = 144209088.

The previous prime is 144209081. The next prime is 144209099. The reversal of 144209089 is 980902441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143209089 + 1000000 = 11967^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 144209089 - 2³ = 144209081 is a prime.

It is a super-2 number, since 2×144209089² = 41592522700419842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144209081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72104544 + 72104545.

It is an arithmetic number, because the mean of its divisors is an integer number (72104545).

Almost surely, 2^144209089 is an apocalyptic number.

It is an amenable number.

144209089 is a deficient number, since it is larger than the sum of its proper divisors (1).

144209089 is an equidigital number, since it uses as much as digits as its factorization.

144209089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 144209089 is about 12008.7088814743. The cubic root of 144209089 is about 524.4018451349.

The spelling of 144209089 in words is "one hundred forty-four million, two hundred nine thousand, eighty-nine".