144838233 has 16 divisors (see below), whose sum is σ = 219567040. Its totient is φ = 94312512.

The previous prime is 144838223. The next prime is 144838247. The reversal of 144838233 is 332838441.

It is a happy number.

It is not a de Polignac number, because 144838233 - 2¹³ = 144830041 is a prime.

It is a super-2 number, since 2×144838233² = 41956227477124578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144838223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61216 + ... + 63537.

It is an arithmetic number, because the mean of its divisors is an integer number (13722940).

Almost surely, 2^144838233 is an apocalyptic number.

It is an amenable number.

144838233 is a deficient number, since it is larger than the sum of its proper divisors (74728807).

144838233 is a wasteful number, since it uses less digits than its factorization.

144838233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124805 (or 124799 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 144838233 is about 12034.8756952450. The cubic root of 144838233 is about 525.1633450910.

The spelling of 144838233 in words is "one hundred forty-four million, eight hundred thirty-eight thousand, two hundred thirty-three".