144334513 has 2 divisors, whose sum is σ = 144334514. Its totient is φ = 144334512.

The previous prime is 144334459. The next prime is 144334517. The reversal of 144334513 is 315433441.

144334513 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., 144168049 + 166464 = 12007^2 + 408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144334513 is a prime.

It is not a weakly prime, because it can be changed into another prime (144334517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72167256 + 72167257.

It is an arithmetic number, because the mean of its divisors is an integer number (72167257).

Almost surely, 2^144334513 is an apocalyptic number.

It is an amenable number.

144334513 is a deficient number, since it is larger than the sum of its proper divisors (1).

144334513 is an equidigital number, since it uses as much as digits as its factorization.

144334513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 144334513 is about 12013.9299565130. The cubic root of 144334513 is about 524.5538316669.

Adding to 144334513 its reverse (315433441), we get a palindrome (459767954).

The spelling of 144334513 in words is "one hundred forty-four million, three hundred thirty-four thousand, five hundred thirteen".