452147445 has 12 divisors (see below), whose sum is σ = 783722316. Its totient is φ = 241145280.

The previous prime is 452147429. The next prime is 452147459. The reversal of 452147445 is 544741254.

It can be written as a sum of positive squares in 2 ways, for example, as 129549924 + 322597521 = 11382^2 + 17961^2 .

It is not a de Polignac number, because 452147445 - 2⁴ = 452147429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5023816 + ... + 5023905.

It is an arithmetic number, because the mean of its divisors is an integer number (65310193).

Almost surely, 2^452147445 is an apocalyptic number.

452147445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

452147445 is a deficient number, since it is larger than the sum of its proper divisors (331574871).

452147445 is a wasteful number, since it uses less digits than its factorization.

452147445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047732 (or 10047729 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 452147445 is about 21263.7589574374. The cubic root of 452147445 is about 767.5264669190.

Adding to 452147445 its reverse (544741254), we get a palindrome (996888699).

The spelling of 452147445 in words is "four hundred fifty-two million, one hundred forty-seven thousand, four hundred forty-five".