144516838 has 4 divisors (see below), whose sum is σ = 216775260. Its totient is φ = 72258418.

The previous prime is 144516821. The next prime is 144516839. The reversal of 144516838 is 838615441.

144516838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 144516838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144516839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36129208 + ... + 36129211.

It is an arithmetic number, because the mean of its divisors is an integer number (54193815).

Almost surely, 2^144516838 is an apocalyptic number.

144516838 is a deficient number, since it is larger than the sum of its proper divisors (72258422).

144516838 is an equidigital number, since it uses as much as digits as its factorization.

144516838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72258421.

The product of its digits is 92160, while the sum is 40.

The square root of 144516838 is about 12021.5156282392. The cubic root of 144516838 is about 524.7746128525.

The spelling of 144516838 in words is "one hundred forty-four million, five hundred sixteen thousand, eight hundred thirty-eight".