144359210881 has 4 divisors (see below), whose sum is σ = 145156775764. Its totient is φ = 143561646000.

The previous prime is 144359210869. The next prime is 144359210887. The reversal of 144359210881 is 188012953441.

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 52513847281 + 91845363600 = 229159^2 + 303060^2 .

It is a cyclic number.

It is not a de Polignac number, because 144359210881 - 2¹⁵ = 144359178113 is a prime.

It is a super-2 number, since 2×144359210881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144359210887) 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, 398782170 + ... + 398782531.

It is an arithmetic number, because the mean of its divisors is an integer number (36289193941).

Almost surely, 2^144359210881 is an apocalyptic number.

It is an amenable number.

144359210881 is a deficient number, since it is larger than the sum of its proper divisors (797564883).

144359210881 is an equidigital number, since it uses as much as digits as its factorization.

144359210881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797564882.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 144359210881 in words is "one hundred forty-four billion, three hundred fifty-nine million, two hundred ten thousand, eight hundred eighty-one".