144131221400 has 48 divisors (see below), whose sum is σ = 337324399440. Its totient is φ = 57270672000.

The previous prime is 144131221379. The next prime is 144131221411. The reversal of 144131221400 is 4122131441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356079 + ... + 2416478.

It is an arithmetic number, because the mean of its divisors is an integer number (7027591655).

Almost surely, 2^144131221400 is an apocalyptic number.

144131221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144131221400 is an abundant number, since it is smaller than the sum of its proper divisors (193193178040).

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

144131221400 is a wasteful number, since it uses less digits than its factorization.

144131221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772724 (or 4772715 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 144131221400 its reverse (4122131441), we get a palindrome (148253352841).

The spelling of 144131221400 in words is "one hundred forty-four billion, one hundred thirty-one million, two hundred twenty-one thousand, four hundred".