144304532021 has 8 divisors (see below), whose sum is σ = 155666954520. Its totient is φ = 132979548672.

The previous prime is 144304532017. The next prime is 144304532077. The reversal of 144304532021 is 120235403441.

It can be written as a sum of positive squares in 4 ways, for example, as 1280637796 + 143023894225 = 35786^2 + 378185^2 .

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 144304532021 - 2² = 144304532017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144304532081) 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 7 ways as a sum of consecutive naturals, for example, 9351776 + ... + 9367193.

It is an arithmetic number, because the mean of its divisors is an integer number (19458369315).

Almost surely, 2^144304532021 is an apocalyptic number.

It is an amenable number.

144304532021 is a deficient number, since it is larger than the sum of its proper divisors (11362422499).

144304532021 is a wasteful number, since it uses less digits than its factorization.

144304532021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719575.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 144304532021 its reverse (120235403441), we get a palindrome (264539935462).

The spelling of 144304532021 in words is "one hundred forty-four billion, three hundred four million, five hundred thirty-two thousand, twenty-one".