451432 has 16 divisors (see below), whose sum is σ = 859140. Its totient is φ = 222336.

The previous prime is 451411. The next prime is 451439. The reversal of 451432 is 234154.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 23716 = 654^2 + 154^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (451439) by changing a digit.

451432 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, 198 + ... + 970.

2⁴⁵¹⁴³² is an apocalyptic number.

It is an amenable number.

451432 is a deficient number, since it is larger than the sum of its proper divisors (407708).

451432 is a wasteful number, since it uses less digits than its factorization.

451432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 451432 is about 671.8868952435. The cubic root of 451432 is about 76.7121427321.

Adding to 451432 its reverse (234154), we get a palindrome (685586).

The spelling of 451432 in words is "four hundred fifty-one thousand, four hundred thirty-two".