452445213 has 32 divisors (see below), whose sum is σ = 705318912. Its totient is φ = 255182400.

The previous prime is 452445199. The next prime is 452445221. The reversal of 452445213 is 312544254.

It is not a de Polignac number, because 452445213 - 2⁴ = 452445197 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452445283) 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 31 ways as a sum of consecutive naturals, for example, 20028 + ... + 36138.

It is an arithmetic number, because the mean of its divisors is an integer number (22041216).

Almost surely, 2^452445213 is an apocalyptic number.

It is an amenable number.

452445213 is a deficient number, since it is larger than the sum of its proper divisors (252873699).

452445213 is a wasteful number, since it uses less digits than its factorization.

452445213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185.

The product of its digits is 19200, while the sum is 30.

The square root of 452445213 is about 21270.7595774105. The cubic root of 452445213 is about 767.6949183621.

Adding to 452445213 its reverse (312544254), we get a palindrome (764989467).

The spelling of 452445213 in words is "four hundred fifty-two million, four hundred forty-five thousand, two hundred thirteen".