144477443 has 8 divisors (see below), whose sum is σ = 158172096. Its totient is φ = 130876200.

The previous prime is 144477427. The next prime is 144477457. The reversal of 144477443 is 344774441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144477443 - 2⁴ = 144477427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144477397 and 144477406.

It is not an unprimeable number, because it can be changed into a prime (144477643) 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 7 ways as a sum of consecutive naturals, for example, 20093 + ... + 26318.

It is an arithmetic number, because the mean of its divisors is an integer number (19771512).

Almost surely, 2^144477443 is an apocalyptic number.

144477443 is a deficient number, since it is larger than the sum of its proper divisors (13694653).

144477443 is a wasteful number, since it uses less digits than its factorization.

144477443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46705.

The product of its digits is 150528, while the sum is 38.

The square root of 144477443 is about 12019.8769960428. The cubic root of 144477443 is about 524.7269243503.

It can be divided in two parts, 1444 and 77443, that added together give a palindrome (78887).

The spelling of 144477443 in words is "one hundred forty-four million, four hundred seventy-seven thousand, four hundred forty-three".