144421004332 has 24 divisors (see below), whose sum is σ = 291931229520. Its totient is φ = 61784386560.

The previous prime is 144421004317. The next prime is 144421004381. The reversal of 144421004332 is 233400124441.

It is a self number, because there is not a number n which added to its sum of digits gives 144421004332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96537357 + ... + 96538852.

It is an arithmetic number, because the mean of its divisors is an integer number (12163801230).

Almost surely, 2^144421004332 is an apocalyptic number.

It is an amenable number.

144421004332 is an abundant number, since it is smaller than the sum of its proper divisors (147510225188).

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

144421004332 is a wasteful number, since it uses less digits than its factorization.

144421004332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193076241 (or 193076239 counting only the distinct ones).

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

Adding to 144421004332 its reverse (233400124441), we get a palindrome (377821128773).

The spelling of 144421004332 in words is "one hundred forty-four billion, four hundred twenty-one million, four thousand, three hundred thirty-two".