144144347638 has 8 divisors (see below), whose sum is σ = 216479881440. Its totient is φ = 71984387160.

The previous prime is 144144347629. The next prime is 144144347639. The reversal of 144144347638 is 836743441441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144144347591 and 144144347600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144347639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43891278 + ... + 43894561.

It is an arithmetic number, because the mean of its divisors is an integer number (27059985180).

Almost surely, 2^144144347638 is an apocalyptic number.

144144347638 is a deficient number, since it is larger than the sum of its proper divisors (72335533802).

144144347638 is an equidigital number, since it uses as much as digits as its factorization.

144144347638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87786662.

The product of its digits is 3096576, while the sum is 49.

The spelling of 144144347638 in words is "one hundred forty-four billion, one hundred forty-four million, three hundred forty-seven thousand, six hundred thirty-eight".