452220161 has 8 divisors (see below), whose sum is σ = 457242240. Its totient is φ = 447210432.

The previous prime is 452220151. The next prime is 452220163. The reversal of 452220161 is 161022254.

It is a happy number.

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-452220161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452220163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83801 + ... + 89033.

It is an arithmetic number, because the mean of its divisors is an integer number (57155280).

Almost surely, 2^452220161 is an apocalyptic number.

It is an amenable number.

452220161 is a deficient number, since it is larger than the sum of its proper divisors (5022079).

452220161 is a wasteful number, since it uses less digits than its factorization.

452220161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 452220161 is about 21265.4687463032. The cubic root of 452220161 is about 767.5676101813.

The spelling of 452220161 in words is "four hundred fifty-two million, two hundred twenty thousand, one hundred sixty-one".