445532345 has 8 divisors (see below), whose sum is σ = 566088264. Its totient is φ = 335459584.

The previous prime is 445532327. The next prime is 445532407. The reversal of 445532345 is 543235544.

It can be written as a sum of positive squares in 4 ways, for example, as 157076089 + 288456256 = 12533^2 + 16984^2 .

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 445532345 - 2¹⁶ = 445466809 is a prime.

It is a Duffinian 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, 2620694 + ... + 2620863.

It is an arithmetic number, because the mean of its divisors is an integer number (70761033).

Almost surely, 2^445532345 is an apocalyptic number.

It is an amenable number.

445532345 is a deficient number, since it is larger than the sum of its proper divisors (120555919).

445532345 is a wasteful number, since it uses less digits than its factorization.

445532345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241579.

The product of its digits is 144000, while the sum is 35.

The square root of 445532345 is about 21107.6371249839. The cubic root of 445532345 is about 763.7649886385.

Adding to 445532345 its reverse (543235544), we get a palindrome (988767889).

The spelling of 445532345 in words is "four hundred forty-five million, five hundred thirty-two thousand, three hundred forty-five".