144015045315221 has 8 divisors (see below), whose sum is σ = 148287568386360. Its totient is φ = 139762534062528.

The previous prime is 144015045315217. The next prime is 144015045315287. The reversal of 144015045315221 is 122513540510441.

It can be written as a sum of positive squares in 4 ways, for example, as 4751113887025 + 139263931428196 = 2179705^2 + 11801014^2 .

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 144015045315221 - 2² = 144015045315217 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 (144015045015221) 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, 5002940006 + ... + 5002968791.

It is an arithmetic number, because the mean of its divisors is an integer number (18535946048295).

Almost surely, 2^{144015045315221} is an apocalyptic number.

It is an amenable number.

144015045315221 is a deficient number, since it is larger than the sum of its proper divisors (4272523071139).

144015045315221 is a wasteful number, since it uses less digits than its factorization.

144015045315221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005909223.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 144015045315221 its reverse (122513540510441), we get a palindrome (266528585825662).

The spelling of 144015045315221 in words is "one hundred forty-four trillion, fifteen billion, forty-five million, three hundred fifteen thousand, two hundred twenty-one".