144227387 has 2 divisors, whose sum is σ = 144227388. Its totient is φ = 144227386.

The previous prime is 144227351. The next prime is 144227393. The reversal of 144227387 is 783722441.

144227387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (783722441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144227387 - 2¹⁶ = 144161851 is a prime.

It is a Chen prime.

It is equal to p_8137559 and since 144227387 and 8137559 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144227387.

It is not a weakly prime, because it can be changed into another prime (144227287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72113693 + 72113694.

It is an arithmetic number, because the mean of its divisors is an integer number (72113694).

Almost surely, 2^144227387 is an apocalyptic number.

144227387 is a deficient number, since it is larger than the sum of its proper divisors (1).

144227387 is an equidigital number, since it uses as much as digits as its factorization.

144227387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 144227387 is about 12009.4707210601. The cubic root of 144227387 is about 524.4240238090.

The spelling of 144227387 in words is "one hundred forty-four million, two hundred twenty-seven thousand, three hundred eighty-seven".