144402320133234 has 24 divisors (see below), whose sum is σ = 313697212617360. Its totient is φ = 48007103788728.

The previous prime is 144402320133233. The next prime is 144402320133349. The reversal of 144402320133234 is 432331023204441.

144402320133234 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 0 + 2 + 320 + 1 + 3 + 323 + 4 = 666.

It is a super-2 number, since 2×144402320133234² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144402320133233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10583569852 + ... + 10583583495.

It is an arithmetic number, because the mean of its divisors is an integer number (13070717192390).

Almost surely, 2^{144402320133234} is an apocalyptic number.

144402320133234 is an abundant number, since it is smaller than the sum of its proper divisors (169294892484126).

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

144402320133234 is a wasteful number, since it uses less digits than its factorization.

144402320133234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167153734 (or 21167153731 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 144402320133234 its reverse (432331023204441), we get a palindrome (576733343337675).

The spelling of 144402320133234 in words is "one hundred forty-four trillion, four hundred two billion, three hundred twenty million, one hundred thirty-three thousand, two hundred thirty-four".