452523818 has 8 divisors (see below), whose sum is σ = 685783812. Its totient is φ = 223929216.

The previous prime is 452523751. The next prime is 452523823. The reversal of 452523818 is 818325254.

It can be written as a sum of positive squares in 2 ways, for example, as 427951969 + 24571849 = 20687^2 + 4957^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166105 + ... + 1166492.

Almost surely, 2^452523818 is an apocalyptic number.

452523818 is a deficient number, since it is larger than the sum of its proper divisors (233259994).

452523818 is a wasteful number, since it uses less digits than its factorization.

452523818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332696.

The product of its digits is 76800, while the sum is 38.

The square root of 452523818 is about 21272.6072214950. The cubic root of 452523818 is about 767.7393739581.

The spelling of 452523818 in words is "four hundred fifty-two million, five hundred twenty-three thousand, eight hundred eighteen".