445216143 has 8 divisors (see below), whose sum is σ = 593798400. Its totient is φ = 296722328.

The previous prime is 445216103. The next prime is 445216147. The reversal of 445216143 is 341612544.

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 445216143 - 2¹⁰ = 445215119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445216143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445216147) 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, 9303 + ... + 31256.

It is an arithmetic number, because the mean of its divisors is an integer number (74224800).

Almost surely, 2^445216143 is an apocalyptic number.

445216143 is a deficient number, since it is larger than the sum of its proper divisors (148582257).

445216143 is a wasteful number, since it uses less digits than its factorization.

445216143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44221.

The product of its digits is 11520, while the sum is 30.

The square root of 445216143 is about 21100.1455682182. The cubic root of 445216143 is about 763.5842601419.

Adding to 445216143 its reverse (341612544), we get a palindrome (786828687).

The spelling of 445216143 in words is "four hundred forty-five million, two hundred sixteen thousand, one hundred forty-three".