1442043241 has 24 divisors (see below), whose sum is σ = 1607071320. Its totient is φ = 1291917312.

The previous prime is 1442043203. The next prime is 1442043257. The reversal of 1442043241 is 1423402441.

It can be written as a sum of positive squares in 12 ways, for example, as 70896400 + 1371146841 = 8420^2 + 37029^2 .

It is not a de Polignac number, because 1442043241 - 2¹¹ = 1442041193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442043041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610635 + ... + 612991.

It is an arithmetic number, because the mean of its divisors is an integer number (66961305).

Almost surely, 2^1442043241 is an apocalyptic number.

It is an amenable number.

1442043241 is a deficient number, since it is larger than the sum of its proper divisors (165028079).

1442043241 is a wasteful number, since it uses less digits than its factorization.

1442043241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1442043241 is about 37974.2444427799. The cubic root of 1442043241 is about 1129.7770831847. Note that the first 3 decimals are identical.

Adding to 1442043241 its reverse (1423402441), we get a palindrome (2865445682).

The spelling of 1442043241 in words is "one billion, four hundred forty-two million, forty-three thousand, two hundred forty-one".