451243 has 8 divisors (see below), whose sum is σ = 492128. Its totient is φ = 411264.

The previous prime is 451207. The next prime is 451249. The reversal of 451243 is 342154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451243 is a prime.

451243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 451243.

It is not an unprimeable number, because it can be changed into a prime (451249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (61516).

2⁴⁵¹²⁴³ is an apocalyptic number.

451243 is a deficient number, since it is larger than the sum of its proper divisors (40885).

451243 is a wasteful number, since it uses less digits than its factorization.

451243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

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

The square root of 451243 is about 671.7462318465. The cubic root of 451243 is about 76.7014356054.

Adding to 451243 its reverse (342154), we get a palindrome (793397).

The spelling of 451243 in words is "four hundred fifty-one thousand, two hundred forty-three".