452172 has 36 divisors (see below), whose sum is σ = 1228920. Its totient is φ = 129024.

The previous prime is 452171. The next prime is 452191. The reversal of 452172 is 271254.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (452171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204 + ... + 972.

2⁴⁵²¹⁷² is an apocalyptic number.

452172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614460).

452172 is an abundant number, since it is smaller than the sum of its proper divisors (776748).

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

452172 is a wasteful number, since it uses less digits than its factorization.

452172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 781 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 452172 is about 672.4373576773. The cubic root of 452172 is about 76.7540360817.

The spelling of 452172 in words is "four hundred fifty-two thousand, one hundred seventy-two".