144406081689 has 8 divisors (see below), whose sum is σ = 192676186560. Its totient is φ = 96203348976.

The previous prime is 144406081661. The next prime is 144406081697. The reversal of 144406081689 is 986180604441.

It is a happy number.

144406081689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144406081689 - 2⁵ = 144406081657 is a prime.

It is a super-3 number, since 3×144406081689³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144406081609) 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, 16838037 + ... + 16846610.

It is an arithmetic number, because the mean of its divisors is an integer number (24084523320).

Almost surely, 2^144406081689 is an apocalyptic number.

It is an amenable number.

144406081689 is a deficient number, since it is larger than the sum of its proper divisors (48270104871).

144406081689 is a wasteful number, since it uses less digits than its factorization.

144406081689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33686079.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 144406081689 in words is "one hundred forty-four billion, four hundred six million, eighty-one thousand, six hundred eighty-nine".