143453 has 4 divisors (see below), whose sum is σ = 144480. Its totient is φ = 142428.

The previous prime is 143443. The next prime is 143461. The reversal of 143453 is 354341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 143453 - 2⁸ = 143197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 596.

It is an arithmetic number, because the mean of its divisors is an integer number (36120).

2¹⁴³⁴⁵³ is an apocalyptic number.

It is an amenable number.

143453 is a deficient number, since it is larger than the sum of its proper divisors (1027).

143453 is an equidigital number, since it uses as much as digits as its factorization.

143453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its digits is 720, while the sum is 20.

The square root of 143453 is about 378.7518976850. The cubic root of 143453 is about 52.3483758220.

Adding to 143453 its reverse (354341), we get a palindrome (497794).

The spelling of 143453 in words is "one hundred forty-three thousand, four hundred fifty-three".