452445505 has 4 divisors (see below), whose sum is σ = 542934612. Its totient is φ = 361956400.

The previous prime is 452445491. The next prime is 452445523. The reversal of 452445505 is 505544254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325477681 + 126967824 = 18041^2 + 11268^2 .

It is a de Polignac number, because none of the positive numbers 2^k-452445505 is a prime.

It is a Duffinian number.

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, 45244546 + ... + 45244555.

It is an arithmetic number, because the mean of its divisors is an integer number (135733653).

Almost surely, 2^452445505 is an apocalyptic number.

It is an amenable number.

452445505 is a deficient number, since it is larger than the sum of its proper divisors (90489107).

452445505 is an equidigital number, since it uses as much as digits as its factorization.

452445505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90489106.

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 452445505 is about 21270.7664412921. The cubic root of 452445505 is about 767.6950835142.

Adding to 452445505 its reverse (505544254), we get a palindrome (957989759).

The spelling of 452445505 in words is "four hundred fifty-two million, four hundred forty-five thousand, five hundred five".