442445165 has 8 divisors (see below), whose sum is σ = 533157120. Its totient is φ = 352474192.

The previous prime is 442445161. The next prime is 442445173. The reversal of 442445165 is 561544244.

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 442445165 - 2² = 442445161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442445161) 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, 183929 + ... + 186318.

It is an arithmetic number, because the mean of its divisors is an integer number (66644640).

Almost surely, 2^442445165 is an apocalyptic number.

It is an amenable number.

442445165 is a deficient number, since it is larger than the sum of its proper divisors (90711955).

442445165 is a wasteful number, since it uses less digits than its factorization.

442445165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370491.

The product of its digits is 76800, while the sum is 35.

The square root of 442445165 is about 21034.3805470948. The cubic root of 442445165 is about 761.9968064062.

The spelling of 442445165 in words is "four hundred forty-two million, four hundred forty-five thousand, one hundred sixty-five".