144457928336689 has 8 divisors (see below), whose sum is σ = 157683550856832. Its totient is φ = 131247819746640.

The previous prime is 144457928336597. The next prime is 144457928336719. The reversal of 144457928336689 is 986633829754441.

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

It is a cyclic number.

It is not a de Polignac number, because 144457928336689 - 2³⁵ = 144423568598321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144457928336389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3878463049 + ... + 3878500294.

It is an arithmetic number, because the mean of its divisors is an integer number (19710443857104).

Almost surely, 2^{144457928336689} is an apocalyptic number.

It is an amenable number.

144457928336689 is a deficient number, since it is larger than the sum of its proper divisors (13225622520143).

144457928336689 is a wasteful number, since it uses less digits than its factorization.

144457928336689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756965047.

The product of its digits is 7524679680, while the sum is 79.

The spelling of 144457928336689 in words is "one hundred forty-four trillion, four hundred fifty-seven billion, nine hundred twenty-eight million, three hundred thirty-six thousand, six hundred eighty-nine".