442301243 has 6 divisors (see below), whose sum is σ = 458079804. Its totient is φ = 427048664.

The previous prime is 442301227. The next prime is 442301267. The reversal of 442301243 is 342103244.

It is not a de Polignac number, because 442301243 - 2⁴ = 442301227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442301143) 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 5 ways as a sum of consecutive naturals, for example, 262121 + ... + 263802.

It is an arithmetic number, because the mean of its divisors is an integer number (76346634).

Almost surely, 2^442301243 is an apocalyptic number.

442301243 is a deficient number, since it is larger than the sum of its proper divisors (15778561).

442301243 is an equidigital number, since it uses as much as digits as its factorization.

442301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525981 (or 525952 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442301243 is about 21030.9591554926. The cubic root of 442301243 is about 761.9141746991.

Adding to 442301243 its reverse (342103244), we get a palindrome (784404487).

The spelling of 442301243 in words is "four hundred forty-two million, three hundred one thousand, two hundred forty-three".