144441821468 has 24 divisors (see below), whose sum is σ = 295030106112. Its totient is φ = 60586538544.

The previous prime is 144441821467. The next prime is 144441821539. The reversal of 144441821468 is 864128144441.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441821467) 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, 54877796 + ... + 54880427.

It is an arithmetic number, because the mean of its divisors is an integer number (12292921088).

Almost surely, 2^144441821468 is an apocalyptic number.

It is an amenable number.

144441821468 is an abundant number, since it is smaller than the sum of its proper divisors (150588284644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144441821468 is a wasteful number, since it uses less digits than its factorization.

144441821468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109758281 (or 109758279 counting only the distinct ones).

The product of its digits is 786432, while the sum is 47.

The spelling of 144441821468 in words is "one hundred forty-four billion, four hundred forty-one million, eight hundred twenty-one thousand, four hundred sixty-eight".