1444342243 has 4 divisors (see below), whose sum is σ = 1468822680. Its totient is φ = 1419861808.

The previous prime is 1444342241. The next prime is 1444342267. The reversal of 1444342243 is 3422434441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444342243 - 2¹ = 1444342241 is a prime.

It is a super-2 number, since 2×1444342243² = 4172249029828542098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444342241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240130 + ... + 12240247.

It is an arithmetic number, because the mean of its divisors is an integer number (367205670).

Almost surely, 2^1444342243 is an apocalyptic number.

1444342243 is a deficient number, since it is larger than the sum of its proper divisors (24480437).

1444342243 is an equidigital number, since it uses as much as digits as its factorization.

1444342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480436.

The product of its digits is 36864, while the sum is 31.

The square root of 1444342243 is about 38004.5029305739. The cubic root of 1444342243 is about 1130.3771531933.

Adding to 1444342243 its reverse (3422434441), we get a palindrome (4866776684).

The spelling of 1444342243 in words is "one billion, four hundred forty-four million, three hundred forty-two thousand, two hundred forty-three".