144321323221002 has 8 divisors (see below), whose sum is σ = 288642646442016. Its totient is φ = 48107107740332.

The previous prime is 144321323220973. The next prime is 144321323221039. The reversal of 144321323221002 is 200122323123441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

144321323221002 is an admirable number.

It is a super-2 number, since 2×144321323221002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12026776935078 + ... + 12026776935089.

It is an arithmetic number, because the mean of its divisors is an integer number (36080330805252).

Almost surely, 2^{144321323221002} is an apocalyptic number.

144321323221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144321323221002 is a wasteful number, since it uses less digits than its factorization.

144321323221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24053553870172.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 144321323221002 its reverse (200122323123441), we get a palindrome (344443646344443).

The spelling of 144321323221002 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-one thousand, two".