144440430 has 32 divisors (see below), whose sum is σ = 347808384. Its totient is φ = 38389536.

The previous prime is 144440399. The next prime is 144440431. The reversal of 144440430 is 34044441.

It is a self number, because there is not a number n which added to its sum of digits gives 144440430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (10869012).

Almost surely, 2^144440430 is an apocalyptic number.

144440430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144440430 is an abundant number, since it is smaller than the sum of its proper divisors (203367954).

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

144440430 is a wasteful number, since it uses less digits than its factorization.

144440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144440430 is about 12018.3372394021. The cubic root of 144440430 is about 524.6821114115.

Adding to 144440430 its reverse (34044441), we get a palindrome (178484871).

It can be divided in two parts, 14 and 4440430, that added together give a palindrome (4440444).

The spelling of 144440430 in words is "one hundred forty-four million, four hundred forty thousand, four hundred thirty".