144261427 has 2 divisors, whose sum is σ = 144261428. Its totient is φ = 144261426.

The previous prime is 144261379. The next prime is 144261443. The reversal of 144261427 is 724162441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144261427 - 2²⁷ = 10043699 is a prime.

It is a super-2 number, since 2×144261427² = 41622718640152658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144261487) 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, 72130713 + 72130714.

It is an arithmetic number, because the mean of its divisors is an integer number (72130714).

Almost surely, 2^144261427 is an apocalyptic number.

144261427 is a deficient number, since it is larger than the sum of its proper divisors (1).

144261427 is an equidigital number, since it uses as much as digits as its factorization.

144261427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 144261427 is about 12010.8878522780. The cubic root of 144261427 is about 524.4652780856.

The spelling of 144261427 in words is "one hundred forty-four million, two hundred sixty-one thousand, four hundred twenty-seven".