144481238 has 16 divisors (see below), whose sum is σ = 236616336. Its totient is φ = 65619840.

The previous prime is 144481231. The next prime is 144481241. The reversal of 144481238 is 832184441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144481198 and 144481207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144481231) 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, 40370 + ... + 43802.

It is an arithmetic number, because the mean of its divisors is an integer number (14788521).

Almost surely, 2^144481238 is an apocalyptic number.

144481238 is a deficient number, since it is larger than the sum of its proper divisors (92135098).

144481238 is a wasteful number, since it uses less digits than its factorization.

144481238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359.

The product of its digits is 24576, while the sum is 35.

The square root of 144481238 is about 12020.0348585185. The cubic root of 144481238 is about 524.7315186574.

The spelling of 144481238 in words is "one hundred forty-four million, four hundred eighty-one thousand, two hundred thirty-eight".