144442430 has 32 divisors (see below), whose sum is σ = 284702688. Its totient is φ = 52326400.

The previous prime is 144442429. The next prime is 144442433. The reversal of 144442430 is 34244441.

It is a happy number.

144442430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144442430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442433) 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, 28574 + ... + 33246.

It is an arithmetic number, because the mean of its divisors is an integer number (8896959).

Almost surely, 2^144442430 is an apocalyptic number.

144442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144442430 is a deficient number, since it is larger than the sum of its proper divisors (140260258).

144442430 is a wasteful number, since it uses less digits than its factorization.

144442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 144442430 is about 12018.4204452998. The cubic root of 144442430 is about 524.6845330774.

Adding to 144442430 its reverse (34244441), we get a palindrome (178686871).

It can be divided in two parts, 14 and 4442430, that added together give a palindrome (4442444).

The spelling of 144442430 in words is "one hundred forty-four million, four hundred forty-two thousand, four hundred thirty".