144096221 has 4 divisors (see below), whose sum is σ = 144131100. Its totient is φ = 144061344.

The previous prime is 144096203. The next prime is 144096257. The reversal of 144096221 is 122690441.

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 35832196 + 108264025 = 5986^2 + 10405^2 .

It is a cyclic number.

It is not a de Polignac number, because 144096221 - 2¹⁸ = 143834077 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 (144096721) 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 3 ways as a sum of consecutive naturals, for example, 10256 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (36032775).

Almost surely, 2^144096221 is an apocalyptic number.

It is an amenable number.

144096221 is a deficient number, since it is larger than the sum of its proper divisors (34879).

144096221 is an equidigital number, since it uses as much as digits as its factorization.

144096221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34878.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 144096221 is about 12004.0085388174. The cubic root of 144096221 is about 524.2649983842.

The spelling of 144096221 in words is "one hundred forty-four million, ninety-six thousand, two hundred twenty-one".