144427443 has 8 divisors (see below), whose sum is σ = 195727056. Its totient is φ = 94706400.

The previous prime is 144427441. The next prime is 144427483. The reversal of 144427443 is 344724441.

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

It is not a de Polignac number, because 144427443 - 2¹ = 144427441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144427441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394428 + ... + 394793.

It is an arithmetic number, because the mean of its divisors is an integer number (24465882).

Almost surely, 2^144427443 is an apocalyptic number.

144427443 is a deficient number, since it is larger than the sum of its proper divisors (51299613).

144427443 is an equidigital number, since it uses as much as digits as its factorization.

144427443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789285.

The product of its digits is 43008, while the sum is 33.

The square root of 144427443 is about 12017.7969278899. The cubic root of 144427443 is about 524.6663857803. Note that the first 3 decimals are identical.

The spelling of 144427443 in words is "one hundred forty-four million, four hundred twenty-seven thousand, four hundred forty-three".