144553613 has 2 divisors, whose sum is σ = 144553614. Its totient is φ = 144553612.

The previous prime is 144553553. The next prime is 144553621. The reversal of 144553613 is 316355441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89170249 + 55383364 = 9443^2 + 7442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144553613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144553613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144555613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72276806 + 72276807.

It is an arithmetic number, because the mean of its divisors is an integer number (72276807).

Almost surely, 2^144553613 is an apocalyptic number.

It is an amenable number.

144553613 is a deficient number, since it is larger than the sum of its proper divisors (1).

144553613 is an equidigital number, since it uses as much as digits as its factorization.

144553613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 144553613 is about 12023.0450801783. The cubic root of 144553613 is about 524.8191219675.

The spelling of 144553613 in words is "one hundred forty-four million, five hundred fifty-three thousand, six hundred thirteen".