144423235 has 16 divisors (see below), whose sum is σ = 189296640. Its totient is φ = 104905440.

The previous prime is 144423229. The next prime is 144423239. The reversal of 144423235 is 532324441.

It is a happy number.

144423235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144423235 - 2⁹ = 144422723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144423239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86014 + ... + 87676.

It is an arithmetic number, because the mean of its divisors is an integer number (11831040).

Almost surely, 2^144423235 is an apocalyptic number.

144423235 is a deficient number, since it is larger than the sum of its proper divisors (44873405).

144423235 is a wasteful number, since it uses less digits than its factorization.

144423235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258.

The product of its digits is 11520, while the sum is 28.

The square root of 144423235 is about 12017.6218529291. The cubic root of 144423235 is about 524.6612902169.

Adding to 144423235 its reverse (532324441), we get a palindrome (676747676).

The spelling of 144423235 in words is "one hundred forty-four million, four hundred twenty-three thousand, two hundred thirty-five".