144030281 has 2 divisors, whose sum is σ = 144030282. Its totient is φ = 144030280.

The previous prime is 144030277. The next prime is 144030373. The reversal of 144030281 is 182030441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 16679056 = 11285^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 144030281 - 2² = 144030277 is a prime.

It is a super-2 number, since 2×144030281² = 41489443689877922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144030181) 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, 72015140 + 72015141.

It is an arithmetic number, because the mean of its divisors is an integer number (72015141).

Almost surely, 2^144030281 is an apocalyptic number.

It is an amenable number.

144030281 is a deficient number, since it is larger than the sum of its proper divisors (1).

144030281 is an equidigital number, since it uses as much as digits as its factorization.

144030281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 144030281 is about 12001.2616420108. The cubic root of 144030281 is about 524.1850163919.

The spelling of 144030281 in words is "one hundred forty-four million, thirty thousand, two hundred eighty-one".