1443252241 has 4 divisors (see below), whose sum is σ = 1443366400. Its totient is φ = 1443138084.

The previous prime is 1443252221. The next prime is 1443252271. The reversal of 1443252241 is 1422523441.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1443252241 - 2⁷ = 1443252113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443252221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35361 + ... + 64318.

It is an arithmetic number, because the mean of its divisors is an integer number (360841600).

Almost surely, 2^1443252241 is an apocalyptic number.

It is an amenable number.

1443252241 is a deficient number, since it is larger than the sum of its proper divisors (114159).

1443252241 is an equidigital number, since it uses as much as digits as its factorization.

1443252241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114158.

The product of its digits is 7680, while the sum is 28.

The square root of 1443252241 is about 37990.1597917145. The cubic root of 1443252241 is about 1130.0927276609.

Adding to 1443252241 its reverse (1422523441), we get a palindrome (2865775682).

The spelling of 1443252241 in words is "one billion, four hundred forty-three million, two hundred fifty-two thousand, two hundred forty-one".