144133020505 has 4 divisors (see below), whose sum is σ = 172959624612. Its totient is φ = 115306416400.

The previous prime is 144133020433. The next prime is 144133020599. The reversal of 144133020505 is 505020331441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505020331441 = 353 ⋅1430652497.

It can be written as a sum of positive squares in 2 ways, for example, as 66256304409 + 77876716096 = 257403^2 + 279064^2 .

It is not a de Polignac number, because 144133020505 - 2⁹ = 144133019993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413302046 + ... + 14413302055.

It is an arithmetic number, because the mean of its divisors is an integer number (43239906153).

Almost surely, 2^144133020505 is an apocalyptic number.

It is an amenable number.

144133020505 is a deficient number, since it is larger than the sum of its proper divisors (28826604107).

144133020505 is an equidigital number, since it uses as much as digits as its factorization.

144133020505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28826604106.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 144133020505 its reverse (505020331441), we get a palindrome (649153351946).

The spelling of 144133020505 in words is "one hundred forty-four billion, one hundred thirty-three million, twenty thousand, five hundred five".