442025445 has 8 divisors (see below), whose sum is σ = 707240736. Its totient is φ = 235746896.

The previous prime is 442025429. The next prime is 442025447. The reversal of 442025445 is 544520244.

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 442025445 - 2⁴ = 442025429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442025447) 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, 14734167 + ... + 14734196.

It is an arithmetic number, because the mean of its divisors is an integer number (88405092).

Almost surely, 2^442025445 is an apocalyptic number.

It is an amenable number.

442025445 is a deficient number, since it is larger than the sum of its proper divisors (265215291).

442025445 is a wasteful number, since it uses less digits than its factorization.

442025445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29468371.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 442025445 is about 21024.4011805331. The cubic root of 442025445 is about 761.7557773017.

Adding to 442025445 its reverse (544520244), we get a palindrome (986545689).

The spelling of 442025445 in words is "four hundred forty-two million, twenty-five thousand, four hundred forty-five".