144144149 has 2 divisors, whose sum is σ = 144144150. Its totient is φ = 144144148.

The previous prime is 144144137. The next prime is 144144179. The reversal of 144144149 is 941441441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116791249 + 27352900 = 10807^2 + 5230^2 .

It is a cyclic number.

It is not a de Polignac number, because 144144149 - 2²⁰ = 143095573 is a prime.

It is equal to p_8133098 and since 144144149 and 8133098 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144144179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72072074 + 72072075.

It is an arithmetic number, because the mean of its divisors is an integer number (72072075).

Almost surely, 2^144144149 is an apocalyptic number.

It is an amenable number.

144144149 is a deficient number, since it is larger than the sum of its proper divisors (1).

144144149 is an equidigital number, since it uses as much as digits as its factorization.

144144149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 144144149 is about 12006.0047059794. The cubic root of 144144149 is about 524.3231173905.

The spelling of 144144149 in words is "one hundred forty-four million, one hundred forty-four thousand, one hundred forty-nine".