453243 has 16 divisors (see below), whose sum is σ = 700416. Its totient is φ = 255360.

The previous prime is 453239. The next prime is 453247. The reversal of 453243 is 342354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (453239) and next prime (453247).

It is not a de Polignac number, because 453243 - 2² = 453239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

453243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (453247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2278 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2⁴⁵³²⁴³ is an apocalyptic number.

453243 is a deficient number, since it is larger than the sum of its proper divisors (247173).

453243 is a wasteful number, since it uses less digits than its factorization.

453243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314.

The product of its digits is 1440, while the sum is 21.

The square root of 453243 is about 673.2332433860. The cubic root of 453243 is about 76.8145873441.

Adding to 453243 its reverse (342354), we get a palindrome (795597).

Subtracting from 453243 its reverse (342354), we obtain a square (110889 = 333²).

It can be divided in two parts, 453 and 243, that added together give a palindrome (696).

The spelling of 453243 in words is "four hundred fifty-three thousand, two hundred forty-three".