445632243 has 8 divisors (see below), whose sum is σ = 679058688. Its totient is φ = 254646984.

The previous prime is 445632233. The next prime is 445632269. The reversal of 445632243 is 342236544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445632243 - 2⁴ = 445632227 is a prime.

It is a super-2 number, since 2×445632243² = 397176192002422098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (445632233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10610271 + ... + 10610312.

It is an arithmetic number, because the mean of its divisors is an integer number (84882336).

Almost surely, 2^445632243 is an apocalyptic number.

445632243 is a deficient number, since it is larger than the sum of its proper divisors (233426445).

445632243 is a wasteful number, since it uses less digits than its factorization.

445632243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220593.

The product of its digits is 69120, while the sum is 33.

The square root of 445632243 is about 21110.0033870201. The cubic root of 445632243 is about 763.8220685893.

Adding to 445632243 its reverse (342236544), we get a palindrome (787868787).

The spelling of 445632243 in words is "four hundred forty-five million, six hundred thirty-two thousand, two hundred forty-three".