144499577161 has 3 divisors (see below), whose sum is σ = 144499957293. Its totient is φ = 144499197030.

The previous prime is 144499577141. The next prime is 144499577203. The reversal of 144499577161 is 161775994441.

The square root of 144499577161 is 380131.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 144499577161 - 2¹¹ = 144499575113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144499577096 and 144499577105.

It is not an unprimeable number, because it can be changed into a prime (144499577141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190066 + ... + 570196.

It is an arithmetic number, because the mean of its divisors is an integer number (48166652431).

Almost surely, 2^144499577161 is an apocalyptic number.

144499577161 is the 380131-st square number.

144499577161 is the 190066-th centered octagonal number.

It is an amenable number.

144499577161 is a deficient number, since it is larger than the sum of its proper divisors (380132).

144499577161 is an frugal number, since it uses more digits than its factorization.

144499577161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760262 (or 380131 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 58.

The spelling of 144499577161 in words is "one hundred forty-four billion, four hundred ninety-nine million, five hundred seventy-seven thousand, one hundred sixty-one".