442314305 has 8 divisors (see below), whose sum is σ = 531941352. Its totient is φ = 353075328.

The previous prime is 442314283. The next prime is 442314329. The reversal of 442314305 is 503413244.

It can be written as a sum of positive squares in 4 ways, for example, as 201412864 + 240901441 = 14192^2 + 15521^2 .

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 442314305 - 2¹⁸ = 442052161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94502 + ... + 99071.

It is an arithmetic number, because the mean of its divisors is an integer number (66492669).

Almost surely, 2^442314305 is an apocalyptic number.

It is an amenable number.

442314305 is a deficient number, since it is larger than the sum of its proper divisors (89627047).

442314305 is a wasteful number, since it uses less digits than its factorization.

442314305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194035.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 442314305 is about 21031.2696953845. The cubic root of 442314305 is about 761.9216748853.

Adding to 442314305 its reverse (503413244), we get a palindrome (945727549).

The spelling of 442314305 in words is "four hundred forty-two million, three hundred fourteen thousand, three hundred five".