442343245 has 8 divisors (see below), whose sum is σ = 553890816. Its totient is φ = 338488656.

The previous prime is 442343233. The next prime is 442343249. The reversal of 442343245 is 542343244.

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 442343245 - 2⁷ = 442343117 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 (442343249) 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, 1923117 + ... + 1923346.

It is an arithmetic number, because the mean of its divisors is an integer number (69236352).

Almost surely, 2^442343245 is an apocalyptic number.

It is an amenable number.

442343245 is a deficient number, since it is larger than the sum of its proper divisors (111547571).

442343245 is a wasteful number, since it uses less digits than its factorization.

442343245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846491.

The product of its digits is 46080, while the sum is 31.

The square root of 442343245 is about 21031.9577072606. The cubic root of 442343245 is about 761.9382916758.

Adding to 442343245 its reverse (542343244), we get a palindrome (984686489).

Subtracting 442343245 from its reverse (542343244), we obtain a palindrome (99999999).

The spelling of 442343245 in words is "four hundred forty-two million, three hundred forty-three thousand, two hundred forty-five".