144193838 has 8 divisors (see below), whose sum is σ = 220892832. Its totient is φ = 70562896.

The previous prime is 144193837. The next prime is 144193853. The reversal of 144193838 is 838391441.

144193838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 144193795 and 144193804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144193837) 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, 766895 + ... + 767082.

It is an arithmetic number, because the mean of its divisors is an integer number (27611604).

Almost surely, 2^144193838 is an apocalyptic number.

144193838 is a deficient number, since it is larger than the sum of its proper divisors (76698994).

144193838 is a wasteful number, since it uses less digits than its factorization.

144193838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534026.

The product of its digits is 82944, while the sum is 41.

The square root of 144193838 is about 12008.0738671945. The cubic root of 144193838 is about 524.3833582408.

The spelling of 144193838 in words is "one hundred forty-four million, one hundred ninety-three thousand, eight hundred thirty-eight".