144229013 has 2 divisors, whose sum is σ = 144229014. Its totient is φ = 144229012.

The previous prime is 144228989. The next prime is 144229073. The reversal of 144229013 is 310922441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 33200644 = 10537^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 144229013 - 2¹⁰ = 144227989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144229073) 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, 72114506 + 72114507.

It is an arithmetic number, because the mean of its divisors is an integer number (72114507).

Almost surely, 2^144229013 is an apocalyptic number.

It is an amenable number.

144229013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144229013 is an equidigital number, since it uses as much as digits as its factorization.

144229013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 144229013 is about 12009.5384174414. The cubic root of 144229013 is about 524.4259945634.

The spelling of 144229013 in words is "one hundred forty-four million, two hundred twenty-nine thousand, thirteen".