1442445303 has 8 divisors (see below), whose sum is σ = 2071203568. Its totient is φ = 887658624.

The previous prime is 1442445281. The next prime is 1442445343. The reversal of 1442445303 is 3035442441.

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

It is not a de Polignac number, because 1442445303 - 2²⁸ = 1174009847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442445343) 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, 18492850 + ... + 18492927.

It is an arithmetic number, because the mean of its divisors is an integer number (258900446).

Almost surely, 2^1442445303 is an apocalyptic number.

1442445303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442445303 is a deficient number, since it is larger than the sum of its proper divisors (628758265).

1442445303 is a wasteful number, since it uses less digits than its factorization.

1442445303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36985793.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1442445303 is about 37979.5379513759. The cubic root of 1442445303 is about 1129.8820726910.

Adding to 1442445303 its reverse (3035442441), we get a palindrome (4477887744).

The spelling of 1442445303 in words is "one billion, four hundred forty-two million, four hundred forty-five thousand, three hundred three".