144438614662387 has 8 divisors (see below), whose sum is σ = 145870809221520. Its totient is φ = 143006461461600.

The previous prime is 144438614662297. The next prime is 144438614662411. The reversal of 144438614662387 is 783266416834441.

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 144438614662387 - 2²³ = 144438606273779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144438614662487) 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, 3296553 + ... + 17313130.

It is an arithmetic number, because the mean of its divisors is an integer number (18233851152690).

Almost surely, 2^{144438614662387} is an apocalyptic number.

144438614662387 is a deficient number, since it is larger than the sum of its proper divisors (1432194559133).

144438614662387 is a wasteful number, since it uses less digits than its factorization.

144438614662387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679173.

The product of its digits is 445906944, while the sum is 67.

The spelling of 144438614662387 in words is "one hundred forty-four trillion, four hundred thirty-eight billion, six hundred fourteen million, six hundred sixty-two thousand, three hundred eighty-seven".