452278843 has 4 divisors (see below), whose sum is σ = 452666248. Its totient is φ = 451891440.

The previous prime is 452278819. The next prime is 452278943. The reversal of 452278843 is 348872254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348872254 = 2 ⋅174436127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452278843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452278843.

It is not an unprimeable number, because it can be changed into a prime (452278243) 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, 191946 + ... + 194287.

It is an arithmetic number, because the mean of its divisors is an integer number (113166562).

Almost surely, 2^452278843 is an apocalyptic number.

452278843 is a deficient number, since it is larger than the sum of its proper divisors (387405).

452278843 is a wasteful number, since it uses less digits than its factorization.

452278843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387404.

The product of its digits is 430080, while the sum is 43.

The square root of 452278843 is about 21266.8484501113. The cubic root of 452278843 is about 767.6008096848.

The spelling of 452278843 in words is "four hundred fifty-two million, two hundred seventy-eight thousand, eight hundred forty-three".