144244239523 has 8 divisors (see below), whose sum is σ = 145692874800. Its totient is φ = 142797882528.

The previous prime is 144244239509. The next prime is 144244239527. The reversal of 144244239523 is 325932442441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144244239523 - 2¹⁷ = 144244108451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144244239523.

It is not an unprimeable number, because it can be changed into a prime (144244239527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442168 + ... + 695701.

It is an arithmetic number, because the mean of its divisors is an integer number (18211609350).

Almost surely, 2^144244239523 is an apocalyptic number.

144244239523 is a deficient number, since it is larger than the sum of its proper divisors (1448635277).

144244239523 is a wasteful number, since it uses less digits than its factorization.

144244239523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139141.

The product of its digits is 829440, while the sum is 43.

The spelling of 144244239523 in words is "one hundred forty-four billion, two hundred forty-four million, two hundred thirty-nine thousand, five hundred twenty-three".