451146 has 16 divisors (see below), whose sum is σ = 955584. Its totient is φ = 141504.

The previous prime is 451109. The next prime is 451159. The reversal of 451146 is 641154.

It is an Ulam number.

It is an unprimeable number.

451146 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 7 ways as a sum of consecutive naturals, for example, 2110 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2⁴⁵¹¹⁴⁶ is an apocalyptic number.

451146 is an abundant number, since it is smaller than the sum of its proper divisors (504438).

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

451146 is a wasteful number, since it uses less digits than its factorization.

451146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445.

The product of its digits is 480, while the sum is 21.

The square root of 451146 is about 671.6740280821. The cubic root of 451146 is about 76.6959392524.

The spelling of 451146 in words is "four hundred fifty-one thousand, one hundred forty-six".