144181199972881 has 16 divisors (see below), whose sum is σ = 151809652051200. Its totient is φ = 136556747952768.

The previous prime is 144181199972857. The next prime is 144181199972891. The reversal of 144181199972881 is 188279991181441.

It is not a de Polignac number, because 144181199972881 - 2²³ = 144181191584273 is a prime.

It is a super-2 number, since 2×144181199972881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144181199972891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2429021655 + ... + 2429081011.

It is an arithmetic number, because the mean of its divisors is an integer number (9488103253200).

Almost surely, 2^{144181199972881} is an apocalyptic number.

It is an amenable number.

144181199972881 is a deficient number, since it is larger than the sum of its proper divisors (7628452078319).

144181199972881 is a wasteful number, since it uses less digits than its factorization.

144181199972881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90888.

The product of its digits is 83607552, while the sum is 73.

The spelling of 144181199972881 in words is "one hundred forty-four trillion, one hundred eighty-one billion, one hundred ninety-nine million, nine hundred seventy-two thousand, eight hundred eighty-one".