452147428 has 6 divisors (see below), whose sum is σ = 791258006. Its totient is φ = 226073712.

The previous prime is 452147413. The next prime is 452147429. The reversal of 452147428 is 824741254.

It can be written as a sum of positive squares in only one way, i.e., 302133924 + 150013504 = 17382^2 + 12248^2 .

It is not an unprimeable number, because it can be changed into a prime (452147429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56518425 + ... + 56518432.

Almost surely, 2^452147428 is an apocalyptic number.

It is an amenable number.

452147428 is a deficient number, since it is larger than the sum of its proper divisors (339110578).

452147428 is a wasteful number, since it uses less digits than its factorization.

452147428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113036861 (or 113036859 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 452147428 is about 21263.7585576962. The cubic root of 452147428 is about 767.5264572997.

The spelling of 452147428 in words is "four hundred fifty-two million, one hundred forty-seven thousand, four hundred twenty-eight".