452215843 has 4 divisors (see below), whose sum is σ = 456877960. Its totient is φ = 447553728.

The previous prime is 452215837. The next prime is 452215859. The reversal of 452215843 is 348512254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348512254 = 2 ⋅174256127.

It is a cyclic number.

It is not a de Polignac number, because 452215843 - 2⁹ = 452215331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452215799 and 452215808.

It is not an unprimeable number, because it can be changed into a prime (452215343) 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 3 ways as a sum of consecutive naturals, for example, 2330913 + ... + 2331106.

It is an arithmetic number, because the mean of its divisors is an integer number (114219490).

Almost surely, 2^452215843 is an apocalyptic number.

452215843 is a deficient number, since it is larger than the sum of its proper divisors (4662117).

452215843 is an equidigital number, since it uses as much as digits as its factorization.

452215843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662116.

The product of its digits is 38400, while the sum is 34.

The square root of 452215843 is about 21265.3672199659. The cubic root of 452215843 is about 767.5651671475.

The spelling of 452215843 in words is "four hundred fifty-two million, two hundred fifteen thousand, eight hundred forty-three".