443274145 has 4 divisors (see below), whose sum is σ = 531928980. Its totient is φ = 354619312.

The previous prime is 443274131. The next prime is 443274149. The reversal of 443274145 is 541472344.

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 287099136 + 156175009 = 16944^2 + 12497^2 .

It is a cyclic number.

It is not a de Polignac number, because 443274145 - 2¹¹ = 443272097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 443274145.

It is not an unprimeable number, because it can be changed into a prime (443274149) 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, 44327410 + ... + 44327419.

It is an arithmetic number, because the mean of its divisors is an integer number (132982245).

Almost surely, 2^443274145 is an apocalyptic number.

It is an amenable number.

443274145 is a deficient number, since it is larger than the sum of its proper divisors (88654835).

443274145 is an equidigital number, since it uses as much as digits as its factorization.

443274145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88654834.

The product of its digits is 53760, while the sum is 34.

The square root of 443274145 is about 21054.0766836259. The cubic root of 443274145 is about 762.4724103607.

The spelling of 443274145 in words is "four hundred forty-three million, two hundred seventy-four thousand, one hundred forty-five".