144243021405325 has 24 divisors (see below), whose sum is σ = 188886576610368. Its totient is φ = 109047421908480.

The previous prime is 144243021405269. The next prime is 144243021405409. The reversal of 144243021405325 is 523504120342441.

It is not a de Polignac number, because 144243021405325 - 2¹¹ = 144243021403277 is a prime.

It is a super-2 number, since 2×144243021405325² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1511141604 + ... + 1511237053.

It is an arithmetic number, because the mean of its divisors is an integer number (7870274025432).

Almost surely, 2^{144243021405325} is an apocalyptic number.

It is an amenable number.

144243021405325 is a deficient number, since it is larger than the sum of its proper divisors (44643555205043).

144243021405325 is a wasteful number, since it uses less digits than its factorization.

144243021405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022378773 (or 3022378768 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 144243021405325 its reverse (523504120342441), we get a palindrome (667747141747766).

The spelling of 144243021405325 in words is "one hundred forty-four trillion, two hundred forty-three billion, twenty-one million, four hundred five thousand, three hundred twenty-five".