144326869853 has 4 divisors (see below), whose sum is σ = 144328239900. Its totient is φ = 144325499808.

The previous prime is 144326869829. The next prime is 144326869873. The reversal of 144326869853 is 358968623441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27271880164 + 117054989689 = 165142^2 + 342133^2 .

It is a cyclic number.

It is not a de Polignac number, because 144326869853 - 2⁶ = 144326869789 is a prime.

It is a super-3 number, since 3×144326869853³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144326869792 and 144326869801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144326869823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512528 + ... + 742521.

It is an arithmetic number, because the mean of its divisors is an integer number (36082059975).

Almost surely, 2^144326869853 is an apocalyptic number.

It is an amenable number.

144326869853 is a deficient number, since it is larger than the sum of its proper divisors (1370047).

144326869853 is a wasteful number, since it uses less digits than its factorization.

144326869853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370046.

The product of its digits is 29859840, while the sum is 59.

The spelling of 144326869853 in words is "one hundred forty-four billion, three hundred twenty-six million, eight hundred sixty-nine thousand, eight hundred fifty-three".