144447430 has 8 divisors (see below), whose sum is σ = 260005392. Its totient is φ = 57778968.

The previous prime is 144447421. The next prime is 144447437. The reversal of 144447430 is 34744441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144447392 and 144447401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144447437) 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 3 ways as a sum of consecutive naturals, for example, 7222362 + ... + 7222381.

It is an arithmetic number, because the mean of its divisors is an integer number (32500674).

Almost surely, 2^144447430 is an apocalyptic number.

144447430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144447430 is a deficient number, since it is larger than the sum of its proper divisors (115557962).

144447430 is a wasteful number, since it uses less digits than its factorization.

144447430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444750.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 144447430 is about 12018.6284575238. The cubic root of 144447430 is about 524.6905871443.

It can be divided in two parts, 14 and 4447430, that added together give a palindrome (4447444).

The spelling of 144447430 in words is "one hundred forty-four million, four hundred forty-seven thousand, four hundred thirty".