144140027 has 2 divisors, whose sum is σ = 144140028. Its totient is φ = 144140026.

The previous prime is 144139993. The next prime is 144140069. The reversal of 144140027 is 720041441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144140027 - 2¹⁰ = 144139003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144139984 and 144140011.

It is not a weakly prime, because it can be changed into another prime (144140077) 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, 72070013 + 72070014.

It is an arithmetic number, because the mean of its divisors is an integer number (72070014).

Almost surely, 2^144140027 is an apocalyptic number.

144140027 is a deficient number, since it is larger than the sum of its proper divisors (1).

144140027 is an equidigital number, since it uses as much as digits as its factorization.

144140027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 144140027 is about 12005.8330406515. The cubic root of 144140027 is about 524.3181194295.

Adding to 144140027 its reverse (720041441), we get a palindrome (864181468).

The spelling of 144140027 in words is "one hundred forty-four million, one hundred forty thousand, twenty-seven".