144221434300 has 72 divisors (see below), whose sum is σ = 316631296800. Its totient is φ = 57014181120.

The previous prime is 144221434183. The next prime is 144221434339. The reversal of 144221434300 is 3434122441.

It is a super-2 number, since 2×144221434300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5228946 + ... + 5256454.

It is an arithmetic number, because the mean of its divisors is an integer number (4397656900).

Almost surely, 2^144221434300 is an apocalyptic number.

144221434300 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 144221434300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158315648400).

144221434300 is an abundant number, since it is smaller than the sum of its proper divisors (172409862500).

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

144221434300 is a wasteful number, since it uses less digits than its factorization.

144221434300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28135 (or 28128 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144221434300 its reverse (3434122441), we get a palindrome (147655556741).

The spelling of 144221434300 in words is "one hundred forty-four billion, two hundred twenty-one million, four hundred thirty-four thousand, three hundred".