144312203987 has 8 divisors (see below), whose sum is σ = 164934111072. Its totient is φ = 123691766400.

The previous prime is 144312203957. The next prime is 144312204089. The reversal of 144312203987 is 789302213441.

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 144312203987 - 2²² = 144308009683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144312203947) 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, 148214 + ... + 557307.

It is an arithmetic number, because the mean of its divisors is an integer number (20616763884).

Almost surely, 2^144312203987 is an apocalyptic number.

144312203987 is a deficient number, since it is larger than the sum of its proper divisors (20621907085).

144312203987 is an equidigital number, since it uses as much as digits as its factorization.

144312203987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734749.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 144312203987 in words is "one hundred forty-four billion, three hundred twelve million, two hundred three thousand, nine hundred eighty-seven".