452147772 has 24 divisors (see below), whose sum is σ = 1089044992. Its totient is φ = 145854000.

The previous prime is 452147767. The next prime is 452147779. The reversal of 452147772 is 277741254.

It is a self number, because there is not a number n which added to its sum of digits gives 452147772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452147779) 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 7 ways as a sum of consecutive naturals, for example, 607354 + ... + 608097.

Almost surely, 2^452147772 is an apocalyptic number.

It is an amenable number.

452147772 is an abundant number, since it is smaller than the sum of its proper divisors (636897220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452147772 is a wasteful number, since it uses less digits than its factorization.

452147772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215489 (or 1215487 counting only the distinct ones).

The product of its digits is 109760, while the sum is 39.

The square root of 452147772 is about 21263.7666465751. The cubic root of 452147772 is about 767.5266519479.

The spelling of 452147772 in words is "four hundred fifty-two million, one hundred forty-seven thousand, seven hundred seventy-two".