443134345 has 4 divisors (see below), whose sum is σ = 531761220. Its totient is φ = 354507472.

The previous prime is 443134343. The next prime is 443134357. The reversal of 443134345 is 543431344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132987024 + 310147321 = 11532^2 + 17611^2 .

It is a cyclic number.

It is not a de Polignac number, because 443134345 - 2¹ = 443134343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (443134343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44313430 + ... + 44313439.

It is an arithmetic number, because the mean of its divisors is an integer number (132940305).

Almost surely, 2^443134345 is an apocalyptic number.

It is an amenable number.

443134345 is a deficient number, since it is larger than the sum of its proper divisors (88626875).

443134345 is an equidigital number, since it uses as much as digits as its factorization.

443134345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88626874.

The product of its digits is 34560, while the sum is 31.

The square root of 443134345 is about 21050.7563997116. The cubic root of 443134345 is about 762.3922456349.

Adding to 443134345 its reverse (543431344), we get a palindrome (986565689).

It can be divided in two parts, 4431343 and 45, that multiplied together give a triangular number (199410435 = T₁₉₉₇₀).

The spelling of 443134345 in words is "four hundred forty-three million, one hundred thirty-four thousand, three hundred forty-five".