1442988443 has 8 divisors (see below), whose sum is σ = 1556272368. Its totient is φ = 1330030944.

The previous prime is 1442988427. The next prime is 1442988457. The reversal of 1442988443 is 3448892441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442988443 - 2⁴ = 1442988427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442988143) 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, 72380 + ... + 90137.

It is an arithmetic number, because the mean of its divisors is an integer number (194534046).

Almost surely, 2^1442988443 is an apocalyptic number.

1442988443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442988443 is a deficient number, since it is larger than the sum of its proper divisors (113283925).

1442988443 is a wasteful number, since it uses less digits than its factorization.

1442988443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163213.

The product of its digits is 884736, while the sum is 47.

The square root of 1442988443 is about 37986.6877076694. The cubic root of 1442988443 is about 1130.0238705898.

The spelling of 1442988443 in words is "one billion, four hundred forty-two million, nine hundred eighty-eight thousand, four hundred forty-three".