144021347 has 2 divisors, whose sum is σ = 144021348. Its totient is φ = 144021346.

The previous prime is 144021323. The next prime is 144021379. The reversal of 144021347 is 743120441.

144021347 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 144021347 - 2⁸ = 144021091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144021307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72010673 + 72010674.

It is an arithmetic number, because the mean of its divisors is an integer number (72010674).

Almost surely, 2^144021347 is an apocalyptic number.

144021347 is a deficient number, since it is larger than the sum of its proper divisors (1).

144021347 is an equidigital number, since it uses as much as digits as its factorization.

144021347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 144021347 is about 12000.8894253718. The cubic root of 144021347 is about 524.1741780095.

Adding to 144021347 its reverse (743120441), we get a palindrome (887141788).

The spelling of 144021347 in words is "one hundred forty-four million, twenty-one thousand, three hundred forty-seven".