144959727538 has 8 divisors (see below), whose sum is σ = 223316337132. Its totient is φ = 70520948496.

The previous prime is 144959727491. The next prime is 144959727553. The reversal of 144959727538 is 835727959441.

It can be written as a sum of positive squares in 2 ways, for example, as 111778554889 + 33181172649 = 334333^2 + 182157^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144959727538.

It is an unprimeable number.

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, 979457545 + ... + 979457692.

Almost surely, 2^144959727538 is an apocalyptic number.

144959727538 is a deficient number, since it is larger than the sum of its proper divisors (78356609594).

144959727538 is a wasteful number, since it uses less digits than its factorization.

144959727538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958915276.

The product of its digits is 76204800, while the sum is 64.

The spelling of 144959727538 in words is "one hundred forty-four billion, nine hundred fifty-nine million, seven hundred twenty-seven thousand, five hundred thirty-eight".