452187900 has 144 divisors (see below), whose sum is σ = 1460844000. Its totient is φ = 119992320.

The previous prime is 452187881. The next prime is 452187929. The reversal of 452187900 is 9781254.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1006876 + ... + 1007324.

It is an arithmetic number, because the mean of its divisors is an integer number (10144750).

Almost surely, 2^452187900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452187900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730422000).

452187900 is an abundant number, since it is smaller than the sum of its proper divisors (1008656100).

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

452187900 is a wasteful number, since it uses less digits than its factorization.

452187900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 452187900 is about 21264.7102025868. The cubic root of 452187900 is about 767.5493572081.

The spelling of 452187900 in words is "four hundred fifty-two million, one hundred eighty-seven thousand, nine hundred".