324457445 has 8 divisors (see below), whose sum is σ = 419298936. Its totient is φ = 239599296.

The previous prime is 324457351. The next prime is 324457451. The reversal of 324457445 is 544754423.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1069156 + 323388289 = 1034^2 + 17983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324457445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324457399 and 324457408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2495762 + ... + 2495891.

It is an arithmetic number, because the mean of its divisors is an integer number (52412367).

Almost surely, 2^324457445 is an apocalyptic number.

It is an amenable number.

324457445 is a deficient number, since it is larger than the sum of its proper divisors (94841491).

324457445 is a wasteful number, since it uses less digits than its factorization.

324457445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991671.

The product of its digits is 268800, while the sum is 38.

The square root of 324457445 is about 18012.7023236382. The cubic root of 324457445 is about 687.1516304464.

The spelling of 324457445 in words is "three hundred twenty-four million, four hundred fifty-seven thousand, four hundred forty-five".