144120434403220 has 96 divisors (see below), whose sum is σ = 341706465184896. Its totient is φ = 50602095206400.

The previous prime is 144120434403149. The next prime is 144120434403229. The reversal of 144120434403220 is 22304434021441.

It is a super-2 number, since 2×144120434403220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144120434403229) 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, 81485242 + ... + 83235121.

It is an arithmetic number, because the mean of its divisors is an integer number (3559442345676).

Almost surely, 2^{144120434403220} is an apocalyptic number.

144120434403220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144120434403220 is an abundant number, since it is smaller than the sum of its proper divisors (197586030781676).

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

144120434403220 is a wasteful number, since it uses less digits than its factorization.

144120434403220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720521 (or 164720519 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 144120434403220 its reverse (22304434021441), we get a palindrome (166424868424661).

The spelling of 144120434403220 in words is "one hundred forty-four trillion, one hundred twenty billion, four hundred thirty-four million, four hundred three thousand, two hundred twenty".