144237427 has 2 divisors, whose sum is σ = 144237428. Its totient is φ = 144237426.

The previous prime is 144237409. The next prime is 144237449. The reversal of 144237427 is 724732441.

144237427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144237427 - 2¹⁹ = 143713139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144237392 and 144237401.

It is not a weakly prime, because it can be changed into another prime (144237487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72118713 + 72118714.

It is an arithmetic number, because the mean of its divisors is an integer number (72118714).

Almost surely, 2^144237427 is an apocalyptic number.

144237427 is a deficient number, since it is larger than the sum of its proper divisors (1).

144237427 is an equidigital number, since it uses as much as digits as its factorization.

144237427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 34.

The square root of 144237427 is about 12009.8887172197. Note that the first 3 decimals coincide. The cubic root of 144237427 is about 524.4361923140.

Adding to 144237427 its reverse (724732441), we get a palindrome (868969868).

It can be divided in two parts, 1442374 and 27, that added together give a square (1442401 = 1201²).

The spelling of 144237427 in words is "one hundred forty-four million, two hundred thirty-seven thousand, four hundred twenty-seven".