451143 has 48 divisors (see below), whose sum is σ = 875520. Its totient is φ = 226800.

The previous prime is 451109. The next prime is 451159. The reversal of 451143 is 341154.

It is a happy number.

It is not a de Polignac number, because 451143 - 2⁸ = 450887 is a prime.

451143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14538 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (18240).

2⁴⁵¹¹⁴³ is an apocalyptic number.

451143 is a deficient number, since it is larger than the sum of its proper divisors (424377).

451143 is a wasteful number, since it uses less digits than its factorization.

451143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 52 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 451143 is about 671.6717948522. The cubic root of 451143 is about 76.6957692496.

Adding to 451143 its reverse (341154), we get a palindrome (792297).

It can be divided in two parts, 4511 and 43, that added together give a palindrome (4554).

The spelling of 451143 in words is "four hundred fifty-one thousand, one hundred forty-three".