144004421402 has 16 divisors (see below), whose sum is σ = 216528215040. Its totient is φ = 71828401632.

The previous prime is 144004421399. The next prime is 144004421417. The reversal of 144004421402 is 204124400441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10916903 + ... + 10930085.

It is an arithmetic number, because the mean of its divisors is an integer number (13533013440).

Almost surely, 2^144004421402 is an apocalyptic number.

144004421402 is a deficient number, since it is larger than the sum of its proper divisors (72523793638).

144004421402 is a wasteful number, since it uses less digits than its factorization.

144004421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25957.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 144004421402 its reverse (204124400441), we get a palindrome (348128821843).

The spelling of 144004421402 in words is "one hundred forty-four billion, four million, four hundred twenty-one thousand, four hundred two".