1442643043 has 8 divisors (see below), whose sum is σ = 1469838960. Its totient is φ = 1415538720.

The previous prime is 1442643011. The next prime is 1442643067. The reversal of 1442643043 is 3403462441.

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 1442643043 - 2⁵ = 1442643011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442642996 and 1442643014.

It is not an unprimeable number, because it can be changed into a prime (1442647043) 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, 9321 + ... + 54517.

It is an arithmetic number, because the mean of its divisors is an integer number (183729870).

Almost surely, 2^1442643043 is an apocalyptic number.

1442643043 is a deficient number, since it is larger than the sum of its proper divisors (27195917).

1442643043 is an equidigital number, since it uses as much as digits as its factorization.

1442643043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45797.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 1442643043 is about 37982.1411060514. The cubic root of 1442643043 is about 1129.9337009161.

The spelling of 1442643043 in words is "one billion, four hundred forty-two million, six hundred forty-three thousand, forty-three".