144879958161 has 27 divisors (see below), whose sum is σ = 212378890633. Its totient is φ = 95172975240.

The previous prime is 144879958133. The next prime is 144879958163. The reversal of 144879958161 is 161859978441.

The square root of 144879958161 is 380631.

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

144879958161 is a `hidden beast` number, since 1 + 4 + 48 + 7 + 9 + 9 + 581 + 6 + 1 = 666.

It is not a de Polignac number, because 144879958161 - 2⁵ = 144879958129 is a prime.

It is a super-2 number, since 2×144879958161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144879958163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 81073510 + ... + 81075296.

Almost surely, 2^144879958161 is an apocalyptic number.

144879958161 is the 380631-st square number.

144879958161 is the 190316-th centered octagonal number.

It is an amenable number.

144879958161 is a deficient number, since it is larger than the sum of its proper divisors (67498932472).

144879958161 is an frugal number, since it uses more digits than its factorization.

144879958161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 1861 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The spelling of 144879958161 in words is "one hundred forty-four billion, eight hundred seventy-nine million, nine hundred fifty-eight thousand, one hundred sixty-one".