144321322332220 has 48 divisors (see below), whose sum is σ = 330677074603008. Its totient is φ = 52472537156160.

The previous prime is 144321322332203. The next prime is 144321322332227. The reversal of 144321322332220 is 22233223123441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144321322332227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48191232 + ... + 51098311.

It is an arithmetic number, because the mean of its divisors is an integer number (6889105720896).

Almost surely, 2^{144321322332220} is an apocalyptic number.

144321322332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144321322332220 is an abundant number, since it is smaller than the sum of its proper divisors (186355752270788).

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

144321322332220 is a wasteful number, since it uses less digits than its factorization.

144321322332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99296170 (or 99296168 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 144321322332220 its reverse (22233223123441), we get a palindrome (166554545455661).

The spelling of 144321322332220 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty".