144240352505 has 8 divisors (see below), whose sum is σ = 176354242632. Its totient is φ = 113215068928.

The previous prime is 144240352463. The next prime is 144240352517. The reversal of 144240352505 is 505253042441.

144240352505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 69009188416 + 75231164089 = 262696^2 + 274283^2 .

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

It is not a de Polignac number, because 144240352505 - 2¹⁰ = 144240351481 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 272151344 + ... + 272151873.

It is an arithmetic number, because the mean of its divisors is an integer number (22044280329).

Almost surely, 2^144240352505 is an apocalyptic number.

It is an amenable number.

144240352505 is a deficient number, since it is larger than the sum of its proper divisors (32113890127).

144240352505 is an equidigital number, since it uses as much as digits as its factorization.

144240352505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544303275.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 144240352505 its reverse (505253042441), we get a palindrome (649493394946).

The spelling of 144240352505 in words is "one hundred forty-four billion, two hundred forty million, three hundred fifty-two thousand, five hundred five".