144002010021 has 16 divisors (see below), whose sum is σ = 205921448640. Its totient is φ = 89232624000.

The previous prime is 144002009969. The next prime is 144002010043. The reversal of 144002010021 is 120010200441.

It is not a de Polignac number, because 144002010021 - 2¹¹ = 144002007973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144002010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23830480 + ... + 23836521.

It is an arithmetic number, because the mean of its divisors is an integer number (12870090540).

Almost surely, 2^144002010021 is an apocalyptic number.

It is an amenable number.

144002010021 is a deficient number, since it is larger than the sum of its proper divisors (61919438619).

144002010021 is a wasteful number, since it uses less digits than its factorization.

144002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47667076.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 144002010021 its reverse (120010200441), we get a palindrome (264012210462).

The spelling of 144002010021 in words is "one hundred forty-four billion, two million, ten thousand, twenty-one".