1143453 has 8 divisors (see below), whose sum is σ = 1529568. Its totient is φ = 759824.

The previous prime is 1143433. The next prime is 1143469. The reversal of 1143453 is 3543411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143453 - 2⁹ = 1142941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143433) 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, 1351 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (191196).

2^1143453 is an apocalyptic number.

It is an amenable number.

1143453 is a deficient number, since it is larger than the sum of its proper divisors (386115).

1143453 is an equidigital number, since it uses as much as digits as its factorization.

1143453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 720, while the sum is 21.

The square root of 1143453 is about 1069.3236179941. The cubic root of 1143453 is about 104.5697587534.

Adding to 1143453 its reverse (3543411), we get a palindrome (4686864).

It can be divided in two parts, 1143 and 453, that added together give a triangular number (1596 = T₅₆).

The spelling of 1143453 in words is "one million, one hundred forty-three thousand, four hundred fifty-three".