144214517 has 2 divisors, whose sum is σ = 144214518. Its totient is φ = 144214516.

The previous prime is 144214501. The next prime is 144214559. The reversal of 144214517 is 715412441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143017681 + 1196836 = 11959^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 144214517 - 2⁴ = 144214501 is a prime.

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 144214517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144214597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72107258 + 72107259.

It is an arithmetic number, because the mean of its divisors is an integer number (72107259).

Almost surely, 2^144214517 is an apocalyptic number.

It is an amenable number.

144214517 is a deficient number, since it is larger than the sum of its proper divisors (1).

144214517 is an equidigital number, since it uses as much as digits as its factorization.

144214517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 144214517 is about 12008.9348819952. The cubic root of 144214517 is about 524.4084245110.

Adding to 144214517 its reverse (715412441), we get a palindrome (859626958).

The spelling of 144214517 in words is "one hundred forty-four million, two hundred fourteen thousand, five hundred seventeen".