443424145 has 4 divisors (see below), whose sum is σ = 532108980. Its totient is φ = 354739312.

The previous prime is 443424139. The next prime is 443424161. The reversal of 443424145 is 541424344.

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 156325009 + 287099136 = 12503^2 + 16944^2 .

It is a cyclic number.

It is not a de Polignac number, because 443424145 - 2⁷ = 443424017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44342410 + ... + 44342419.

It is an arithmetic number, because the mean of its divisors is an integer number (133027245).

Almost surely, 2^443424145 is an apocalyptic number.

It is an amenable number.

443424145 is a deficient number, since it is larger than the sum of its proper divisors (88684835).

443424145 is an equidigital number, since it uses as much as digits as its factorization.

443424145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88684834.

The product of its digits is 30720, while the sum is 31.

The square root of 443424145 is about 21057.6386377960. The cubic root of 443424145 is about 762.5584052727.

Adding to 443424145 its reverse (541424344), we get a palindrome (984848489).

The spelling of 443424145 in words is "four hundred forty-three million, four hundred twenty-four thousand, one hundred forty-five".