144144223320 has 128 divisors (see below), whose sum is σ = 468518307840. Its totient is φ = 35336017920.

The previous prime is 144144223309. The next prime is 144144223361. The reversal of 144144223320 is 23322441441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 733896 + ... + 909335.

It is an arithmetic number, because the mean of its divisors is an integer number (3660299280).

Almost surely, 2^144144223320 is an apocalyptic number.

144144223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144144223320 is an abundant number, since it is smaller than the sum of its proper divisors (324374084520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144144223320 is a wasteful number, since it uses less digits than its factorization.

144144223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643305 (or 1643301 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144144223320 its reverse (23322441441), we get a palindrome (167466664761).

The spelling of 144144223320 in words is "one hundred forty-four billion, one hundred forty-four million, two hundred twenty-three thousand, three hundred twenty".