1444143241 has 4 divisors (see below), whose sum is σ = 1520150800. Its totient is φ = 1368135684.

The previous prime is 1444143223. The next prime is 1444143271. The reversal of 1444143241 is 1423414441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1444143241 - 2⁹ = 1444142729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444143271) 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, 38003751 + ... + 38003788.

It is an arithmetic number, because the mean of its divisors is an integer number (380037700).

Almost surely, 2^1444143241 is an apocalyptic number.

It is an amenable number.

1444143241 is a deficient number, since it is larger than the sum of its proper divisors (76007559).

1444143241 is an equidigital number, since it uses as much as digits as its factorization.

1444143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76007558.

The product of its digits is 6144, while the sum is 28.

The square root of 1444143241 is about 38001.8847032618. The cubic root of 1444143241 is about 1130.3252362169.

Adding to 1444143241 its reverse (1423414441), we get a palindrome (2867557682).

The spelling of 1444143241 in words is "one billion, four hundred forty-four million, one hundred forty-three thousand, two hundred forty-one".