452997290 has 32 divisors (see below), whose sum is σ = 840605904. Its totient is φ = 175633920.

The previous prime is 452997289. The next prime is 452997301. The reversal of 452997290 is 92799254.

It can be written as a sum of positive squares in 8 ways, for example, as 441294049 + 11703241 = 21007^2 + 3421^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101792 + ... + 106148.

Almost surely, 2^452997290 is an apocalyptic number.

452997290 is a deficient number, since it is larger than the sum of its proper divisors (387608614).

452997290 is a wasteful number, since it uses less digits than its factorization.

452997290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 452997290 is about 21283.7329902440. The cubic root of 452997290 is about 768.0070404538.

The spelling of 452997290 in words is "four hundred fifty-two million, nine hundred ninety-seven thousand, two hundred ninety".