144330438 has 16 divisors (see below), whose sum is σ = 329898240. Its totient is φ = 41237256.

The previous prime is 144330437. The next prime is 144330463. The reversal of 144330438 is 834033441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144330437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718178 + ... + 1718261.

It is an arithmetic number, because the mean of its divisors is an integer number (20618640).

Almost surely, 2^144330438 is an apocalyptic number.

144330438 is an abundant number, since it is smaller than the sum of its proper divisors (185567802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144330438 is a wasteful number, since it uses less digits than its factorization.

144330438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436451.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 144330438 is about 12013.7603605199. The cubic root of 144330438 is about 524.5488950399.

Adding to 144330438 its reverse (834033441), we get a palindrome (978363879).

The spelling of 144330438 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred thirty-eight".