452020673245 has 4 divisors (see below), whose sum is σ = 542424807900. Its totient is φ = 361616538592.

The previous prime is 452020673213. The next prime is 452020673257. The reversal of 452020673245 is 542376020254.

It is a happy number.

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 90457780644 + 361562892601 = 300762^2 + 601301^2 .

It is a cyclic number.

It is not a de Polignac number, because 452020673245 - 2⁵ = 452020673213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452020673198 and 452020673207.

It is a congruent 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, 45202067320 + ... + 45202067329.

It is an arithmetic number, because the mean of its divisors is an integer number (135606201975).

Almost surely, 2^452020673245 is an apocalyptic number.

It is an amenable number.

452020673245 is a deficient number, since it is larger than the sum of its proper divisors (90404134655).

452020673245 is an equidigital number, since it uses as much as digits as its factorization.

452020673245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90404134654.

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 452020673245 its reverse (542376020254), we get a palindrome (994396693499).

The spelling of 452020673245 in words is "four hundred fifty-two billion, twenty million, six hundred seventy-three thousand, two hundred forty-five".