144333111221420 has 96 divisors (see below), whose sum is σ = 331542493632000. Its totient is φ = 52343756236800.

The previous prime is 144333111221401. The next prime is 144333111221471. The reversal of 144333111221420 is 24122111333441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3134314556 + ... + 3134360604.

It is an arithmetic number, because the mean of its divisors is an integer number (3453567642000).

Almost surely, 2^{144333111221420} is an apocalyptic number.

144333111221420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144333111221420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165771246816000).

144333111221420 is an abundant number, since it is smaller than the sum of its proper divisors (187209382410580).

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

144333111221420 is a wasteful number, since it uses less digits than its factorization.

144333111221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84039 (or 84037 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 144333111221420 its reverse (24122111333441), we get a palindrome (168455222554861).

The spelling of 144333111221420 in words is "one hundred forty-four trillion, three hundred thirty-three billion, one hundred eleven million, two hundred twenty-one thousand, four hundred twenty".