144218494121 has 8 divisors (see below), whose sum is σ = 163486552320. Its totient is φ = 126118197072.

The previous prime is 144218494111. The next prime is 144218494157. The reversal of 144218494121 is 121494812441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144218494121 - 2³⁰ = 143144752297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144218494111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291940025 + ... + 291940518.

It is an arithmetic number, because the mean of its divisors is an integer number (20435819040).

Almost surely, 2^144218494121 is an apocalyptic number.

It is an amenable number.

144218494121 is a deficient number, since it is larger than the sum of its proper divisors (19268058199).

144218494121 is a wasteful number, since it uses less digits than its factorization.

144218494121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583880575.

The product of its digits is 73728, while the sum is 41.

The spelling of 144218494121 in words is "one hundred forty-four billion, two hundred eighteen million, four hundred ninety-four thousand, one hundred twenty-one".