144454224321 has 48 divisors (see below), whose sum is σ = 249325464960. Its totient is φ = 79556789760.

The previous prime is 144454224319. The next prime is 144454224329. The reversal of 144454224321 is 123422454441.

144454224321 is a `hidden beast` number, since 14 + 44 + 542 + 2 + 43 + 21 = 666.

It is not a de Polignac number, because 144454224321 - 2¹ = 144454224319 is a prime.

It is a super-2 number, since 2×144454224321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144454224329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1431045 + ... + 1528658.

It is an arithmetic number, because the mean of its divisors is an integer number (5194280520).

Almost surely, 2^144454224321 is an apocalyptic number.

144454224321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144454224321 is a deficient number, since it is larger than the sum of its proper divisors (104871240639).

144454224321 is a wasteful number, since it uses less digits than its factorization.

144454224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959766 (or 2959763 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 144454224321 its reverse (123422454441), we get a palindrome (267876678762).

The spelling of 144454224321 in words is "one hundred forty-four billion, four hundred fifty-four million, two hundred twenty-four thousand, three hundred twenty-one".