144111011481 has 24 divisors (see below), whose sum is σ = 210630292704. Its totient is φ = 94938518400.

The previous prime is 144111011477. The next prime is 144111011509. The reversal of 144111011481 is 184110111441.

144111011481 is a `hidden beast` number, since 1 + 4 + 411 + 101 + 148 + 1 = 666.

144111011481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144111011481 - 2² = 144111011477 is a prime.

It is a super-2 number, since 2×144111011481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144111011581) 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 23 ways as a sum of consecutive naturals, for example, 199570 + ... + 572756.

It is an arithmetic number, because the mean of its divisors is an integer number (8776262196).

Almost surely, 2^144111011481 is an apocalyptic number.

It is an amenable number.

144111011481 is a deficient number, since it is larger than the sum of its proper divisors (66519281223).

144111011481 is a wasteful number, since it uses less digits than its factorization.

144111011481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373701 (or 373698 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The spelling of 144111011481 in words is "one hundred forty-four billion, one hundred eleven million, eleven thousand, four hundred eighty-one".