144957149 has 2 divisors, whose sum is σ = 144957150. Its totient is φ = 144957148.

The previous prime is 144957107. The next prime is 144957161. The reversal of 144957149 is 941759441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75568249 + 69388900 = 8693^2 + 8330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144957149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144957199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72478574 + 72478575.

It is an arithmetic number, because the mean of its divisors is an integer number (72478575).

Almost surely, 2^144957149 is an apocalyptic number.

It is an amenable number.

144957149 is a deficient number, since it is larger than the sum of its proper divisors (1).

144957149 is an equidigital number, since it uses as much as digits as its factorization.

144957149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 144957149 is about 12039.8151563884. The cubic root of 144957149 is about 525.3070300829.

The spelling of 144957149 in words is "one hundred forty-four million, nine hundred fifty-seven thousand, one hundred forty-nine".