144321102321402 has 16 divisors (see below), whose sum is σ = 288672940801152. Its totient is φ = 48101911414080.

The previous prime is 144321102321401. The next prime is 144321102321439. The reversal of 144321102321402 is 204123201123441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144321102321402.

It is not an unprimeable number, because it can be changed into a prime (144321102321401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280612223 + ... + 1280724914.

It is an arithmetic number, because the mean of its divisors is an integer number (18042058800072).

Almost surely, 2^{144321102321402} is an apocalyptic number.

144321102321402 is an abundant number, since it is smaller than the sum of its proper divisors (144351838479750).

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

144321102321402 is a wasteful number, since it uses less digits than its factorization.

144321102321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561346533.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 144321102321402 its reverse (204123201123441), we get a palindrome (348444303444843).

The spelling of 144321102321402 in words is "one hundred forty-four trillion, three hundred twenty-one billion, one hundred two million, three hundred twenty-one thousand, four hundred two".