144965568233 has 4 divisors (see below), whose sum is σ = 145103500368. Its totient is φ = 144827636100.

The previous prime is 144965568191. The next prime is 144965568277. The reversal of 144965568233 is 332865569441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144965568233 - 2¹⁴ = 144965551849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144965568733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68964491 + ... + 68966592.

It is an arithmetic number, because the mean of its divisors is an integer number (36275875092).

Almost surely, 2^144965568233 is an apocalyptic number.

It is an amenable number.

144965568233 is a deficient number, since it is larger than the sum of its proper divisors (137932135).

144965568233 is a wasteful number, since it uses less digits than its factorization.

144965568233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137932134.

The product of its digits is 18662400, while the sum is 56.

The spelling of 144965568233 in words is "one hundred forty-four billion, nine hundred sixty-five million, five hundred sixty-eight thousand, two hundred thirty-three".