144532613 has 2 divisors, whose sum is σ = 144532614. Its totient is φ = 144532612.

The previous prime is 144532579. The next prime is 144532637. The reversal of 144532613 is 316235441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 69588964 = 8657^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 144532613 - 2¹⁰ = 144531589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134532613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72266306 + 72266307.

It is an arithmetic number, because the mean of its divisors is an integer number (72266307).

Almost surely, 2^144532613 is an apocalyptic number.

It is an amenable number.

144532613 is a deficient number, since it is larger than the sum of its proper divisors (1).

144532613 is an equidigital number, since it uses as much as digits as its factorization.

144532613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 144532613 is about 12022.1717256076. The cubic root of 144532613 is about 524.7937064023.

The spelling of 144532613 in words is "one hundred forty-four million, five hundred thirty-two thousand, six hundred thirteen".