144254389 has 2 divisors, whose sum is σ = 144254390. Its totient is φ = 144254388.

The previous prime is 144254353. The next prime is 144254419. The reversal of 144254389 is 983452441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95394289 + 48860100 = 9767^2 + 6990^2 .

It is a cyclic number.

It is not a de Polignac number, because 144254389 - 2¹⁵ = 144221621 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 (144254309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72127194 + 72127195.

It is an arithmetic number, because the mean of its divisors is an integer number (72127195).

Almost surely, 2^144254389 is an apocalyptic number.

It is an amenable number.

144254389 is a deficient number, since it is larger than the sum of its proper divisors (1).

144254389 is an equidigital number, since it uses as much as digits as its factorization.

144254389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 144254389 is about 12010.5948645352. The cubic root of 144254389 is about 524.4567490174.

The spelling of 144254389 in words is "one hundred forty-four million, two hundred fifty-four thousand, three hundred eighty-nine".