144010421 has 2 divisors, whose sum is σ = 144010422. Its totient is φ = 144010420.

The previous prime is 144010411. The next prime is 144010423. The reversal of 144010421 is 124010441.

144010421 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 can be written as a sum of positive squares in only one way, i.e., 110544196 + 33466225 = 10514^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 144010421 - 2⁶ = 144010357 is a prime.

Together with 144010423, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144010421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144010423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72005210 + 72005211.

It is an arithmetic number, because the mean of its divisors is an integer number (72005211).

Almost surely, 2^144010421 is an apocalyptic number.

It is an amenable number.

144010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

144010421 is an equidigital number, since it uses as much as digits as its factorization.

144010421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144010421 is about 12000.4342004779. The cubic root of 144010421 is about 524.1609224007.

Adding to 144010421 its reverse (124010441), we get a palindrome (268020862).

The spelling of 144010421 in words is "one hundred forty-four million, ten thousand, four hundred twenty-one".