144245443 has 8 divisors (see below), whose sum is σ = 151603200. Its totient is φ = 136978248.

The previous prime is 144245429. The next prime is 144245447. The reversal of 144245443 is 344542441.

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

It is not a de Polignac number, because 144245443 - 2¹³ = 144237251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144245447) 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, 19363 + ... + 25756.

It is an arithmetic number, because the mean of its divisors is an integer number (18950400).

Almost surely, 2^144245443 is an apocalyptic number.

144245443 is a deficient number, since it is larger than the sum of its proper divisors (7357757).

144245443 is a wasteful number, since it uses less digits than its factorization.

144245443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45281.

The product of its digits is 30720, while the sum is 31.

The square root of 144245443 is about 12010.2224375738. Note that the first 3 decimals coincide. The cubic root of 144245443 is about 524.4459073205.

Adding to 144245443 its reverse (344542441), we get a palindrome (488787884).

The spelling of 144245443 in words is "one hundred forty-four million, two hundred forty-five thousand, four hundred forty-three".