144030324111661 has 4 divisors (see below), whose sum is σ = 155109579812572. Its totient is φ = 132951068410752.

The previous prime is 144030324111659. The next prime is 144030324111701. The reversal of 144030324111661 is 166111423030441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18312836422500 + 125717487689161 = 4279350^2 + 11212381^2 .

It is a cyclic number.

It is not a de Polignac number, because 144030324111661 - 2¹ = 144030324111659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144030324111661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144030324111361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539627850436 + ... + 5539627850461.

It is an arithmetic number, because the mean of its divisors is an integer number (38777394953143).

Almost surely, 2^{144030324111661} is an apocalyptic number.

It is an amenable number.

144030324111661 is a deficient number, since it is larger than the sum of its proper divisors (11079255700911).

144030324111661 is a wasteful number, since it uses less digits than its factorization.

144030324111661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079255700910.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 144030324111661 in words is "one hundred forty-four trillion, thirty billion, three hundred twenty-four million, one hundred eleven thousand, six hundred sixty-one".