452115169 has 9 divisors (see below), whose sum is σ = 497210259. Its totient is φ = 410801160.

The previous prime is 452115143. The next prime is 452115179. The reversal of 452115169 is 961511254.

It is a happy number.

The square root of 452115169 is 21263.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 144288144 = 17545^2 + 12012^2 .

It is not a de Polignac number, because 452115169 - 2¹¹ = 452113121 is a prime.

It is a super-2 number, since 2×452115169² = 408816252079797122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452115179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 232927 + ... + 234859.

Almost surely, 2^452115169 is an apocalyptic number.

452115169 is the 21263-rd square number.

452115169 is the 10632-nd centered octagonal number.

It is an amenable number.

452115169 is a deficient number, since it is larger than the sum of its proper divisors (45095090).

452115169 is an frugal number, since it uses more digits than its factorization.

452115169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 1944 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The cubic root of 452115169 is about 767.5082035007.

The spelling of 452115169 in words is "four hundred fifty-two million, one hundred fifteen thousand, one hundred sixty-nine".