144521516121 has 16 divisors (see below), whose sum is σ = 200736222720. Its totient is φ = 92384271360.

The previous prime is 144521516057. The next prime is 144521516137. The reversal of 144521516121 is 121615125441.

It is not a de Polignac number, because 144521516121 - 2⁶ = 144521516057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144521516141) 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 15 ways as a sum of consecutive naturals, for example, 7118280 + ... + 7138553.

It is an arithmetic number, because the mean of its divisors is an integer number (12546013920).

Almost surely, 2^144521516121 is an apocalyptic number.

It is an amenable number.

144521516121 is a deficient number, since it is larger than the sum of its proper divisors (56214706599).

144521516121 is a wasteful number, since it uses less digits than its factorization.

144521516121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256976.

The product of its digits is 9600, while the sum is 33.

The spelling of 144521516121 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixteen thousand, one hundred twenty-one".