451232 has 24 divisors (see below), whose sum is σ = 907200. Its totient is φ = 220864.

The previous prime is 451207. The next prime is 451249. The reversal of 451232 is 232154.

451232 = T₉₃ + T₉₄ + ... + T₁₅₁.

It is a super-2 number, since 2×451232² = 407220635648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451232.

It is an unprimeable number.

451232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 2007.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴⁵¹²³² 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 451232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453600).

451232 is an abundant number, since it is smaller than the sum of its proper divisors (455968).

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

451232 is a wasteful number, since it uses less digits than its factorization.

451232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 300 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 451232 is about 671.7380441809. The cubic root of 451232 is about 76.7008123472.

Adding to 451232 its reverse (232154), we get a palindrome (683386).

The spelling of 451232 in words is "four hundred fifty-one thousand, two hundred thirty-two".