144365873 has 2 divisors, whose sum is σ = 144365874. Its totient is φ = 144365872.

The previous prime is 144365863. The next prime is 144365909. The reversal of 144365873 is 378563441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 69422224 = 8657^2 + 8332^2 .

It is a cyclic number.

It is not a de Polignac number, because 144365873 - 2²⁶ = 77257009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144365873.

It is not a weakly prime, because it can be changed into another prime (144365803) 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, 72182936 + 72182937.

It is an arithmetic number, because the mean of its divisors is an integer number (72182937).

Almost surely, 2^144365873 is an apocalyptic number.

It is an amenable number.

144365873 is a deficient number, since it is larger than the sum of its proper divisors (1).

144365873 is an equidigital number, since it uses as much as digits as its factorization.

144365873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 144365873 is about 12015.2350372350. The cubic root of 144365873 is about 524.5918193863.

The spelling of 144365873 in words is "one hundred forty-four million, three hundred sixty-five thousand, eight hundred seventy-three".