445453241 has 4 divisors (see below), whose sum is σ = 445522212. Its totient is φ = 445384272.

The previous prime is 445453207. The next prime is 445453289. The reversal of 445453241 is 142354544.

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 213043216 + 232410025 = 14596^2 + 15245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445453241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445453198 and 445453207.

It is not an unprimeable number, because it can be changed into a prime (445453441) 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, 23666 + ... + 38091.

It is an arithmetic number, because the mean of its divisors is an integer number (111380553).

Almost surely, 2^445453241 is an apocalyptic number.

It is an amenable number.

445453241 is a deficient number, since it is larger than the sum of its proper divisors (68971).

445453241 is an equidigital number, since it uses as much as digits as its factorization.

445453241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68970.

The product of its digits is 38400, while the sum is 32.

The square root of 445453241 is about 21105.7632176617. The cubic root of 445453241 is about 763.7197839582.

The spelling of 445453241 in words is "four hundred forty-five million, four hundred fifty-three thousand, two hundred forty-one".