144233741767681 has 8 divisors (see below), whose sum is σ = 146998979948160. Its totient is φ = 141486518168688.

The previous prime is 144233741767673. The next prime is 144233741767723. The reversal of 144233741767681 is 186767147332441.

It is a happy number.

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 144233741767681 - 2³ = 144233741767673 is a prime.

It is a super-2 number, since 2×144233741767681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144233771767681) by changing a digit.

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, 4503629206 + ... + 4503661231.

It is an arithmetic number, because the mean of its divisors is an integer number (18374872493520).

Almost surely, 2^{144233741767681} is an apocalyptic number.

It is an amenable number.

144233741767681 is a deficient number, since it is larger than the sum of its proper divisors (2765238180479).

144233741767681 is an equidigital number, since it uses as much as digits as its factorization.

144233741767681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007290743.

The product of its digits is 113799168, while the sum is 64.

The spelling of 144233741767681 in words is "one hundred forty-four trillion, two hundred thirty-three billion, seven hundred forty-one million, seven hundred sixty-seven thousand, six hundred eighty-one".