144332982961 has 4 divisors (see below), whose sum is σ = 144334307572. Its totient is φ = 144331658352.

The previous prime is 144332982931. The next prime is 144332983031. The reversal of 144332982961 is 169289233441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169289233441 = 80567 ⋅2101223.

It can be written as a sum of positive squares in 2 ways, for example, as 128020840000 + 16312142961 = 357800^2 + 127719^2 .

It is a cyclic number.

It is not a de Polignac number, because 144332982961 - 2⁵ = 144332982929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144332982899 and 144332982908.

It is not an unprimeable number, because it can be changed into a prime (144332982931) 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, 482610 + ... + 722203.

It is an arithmetic number, because the mean of its divisors is an integer number (36083576893).

Almost surely, 2^144332982961 is an apocalyptic number.

It is an amenable number.

144332982961 is a deficient number, since it is larger than the sum of its proper divisors (1324611).

144332982961 is a wasteful number, since it uses less digits than its factorization.

144332982961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324610.

The product of its digits is 2239488, while the sum is 52.

The spelling of 144332982961 in words is "one hundred forty-four billion, three hundred thirty-two million, nine hundred eighty-two thousand, nine hundred sixty-one".