144221134305 has 32 divisors (see below), whose sum is σ = 239658946560. Its totient is φ = 73980008640.

The previous prime is 144221134303. The next prime is 144221134313. The reversal of 144221134305 is 503431122441.

It is not a de Polignac number, because 144221134305 - 2¹ = 144221134303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144221134301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875595 + ... + 1027184.

It is an arithmetic number, because the mean of its divisors is an integer number (7489342080).

Almost surely, 2^144221134305 is an apocalyptic number.

144221134305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144221134305 is a deficient number, since it is larger than the sum of its proper divisors (95437812255).

144221134305 is a wasteful number, since it uses less digits than its factorization.

144221134305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902981.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 144221134305 its reverse (503431122441), we get a palindrome (647652256746).

The spelling of 144221134305 in words is "one hundred forty-four billion, two hundred twenty-one million, one hundred thirty-four thousand, three hundred five".