144832443021 has 96 divisors (see below), whose sum is σ = 260101038080. Its totient is φ = 75785673600.

The previous prime is 144832443001. The next prime is 144832443023. The reversal of 144832443021 is 120344238441.

144832443021 is a `hidden beast` number, since 144 + 83 + 2 + 4 + 430 + 2 + 1 = 666.

It is not a de Polignac number, because 144832443021 - 2⁷ = 144832442893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144832443023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40556166 + ... + 40559736.

Almost surely, 2^144832443021 is an apocalyptic number.

It is an amenable number.

144832443021 is a deficient number, since it is larger than the sum of its proper divisors (115268595059).

144832443021 is a wasteful number, since it uses less digits than its factorization.

144832443021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 144832443021 in words is "one hundred forty-four billion, eight hundred thirty-two million, four hundred forty-three thousand, twenty-one".