144688645923 has 8 divisors (see below), whose sum is σ = 204266323728. Its totient is φ = 90785032704.

The previous prime is 144688645921. The next prime is 144688646023. The reversal of 144688645923 is 329546886441.

It is a happy number.

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

It is not a de Polignac number, because 144688645923 - 2¹ = 144688645921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144688645921) 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, 1418516086 + ... + 1418516187.

It is an arithmetic number, because the mean of its divisors is an integer number (25533290466).

Almost surely, 2^144688645923 is an apocalyptic number.

144688645923 is a deficient number, since it is larger than the sum of its proper divisors (59577677805).

144688645923 is a wasteful number, since it uses less digits than its factorization.

144688645923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837032293.

The product of its digits is 39813120, while the sum is 60.

The spelling of 144688645923 in words is "one hundred forty-four billion, six hundred eighty-eight million, six hundred forty-five thousand, nine hundred twenty-three".