452378065 has 8 divisors (see below), whose sum is σ = 543184488. Its totient is φ = 361681920.

The previous prime is 452378039. The next prime is 452378077. The reversal of 452378065 is 560873254.

It can be written as a sum of positive squares in 4 ways, for example, as 50936769 + 401441296 = 7137^2 + 20036^2 .

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

It is not a de Polignac number, because 452378065 - 2⁵ = 452378033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18256 + ... + 35185.

It is an arithmetic number, because the mean of its divisors is an integer number (67898061).

Almost surely, 2^452378065 is an apocalyptic number.

It is an amenable number.

452378065 is a deficient number, since it is larger than the sum of its proper divisors (90806423).

452378065 is a wasteful number, since it uses less digits than its factorization.

452378065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55139.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 452378065 is about 21269.1811078847. The cubic root of 452378065 is about 767.6569382728.

The spelling of 452378065 in words is "four hundred fifty-two million, three hundred seventy-eight thousand, sixty-five".