169453 has 4 divisors (see below), whose sum is σ = 173628. Its totient is φ = 165280.

The previous prime is 169427. The next prime is 169457. The reversal of 169453 is 354961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 110889 = 242^2 + 333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169453 is a prime.

It is a Duffinian number.

169453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169457) 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 3 ways as a sum of consecutive naturals, for example, 2026 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (43407).

2¹⁶⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

169453 is a deficient number, since it is larger than the sum of its proper divisors (4175).

169453 is an equidigital number, since it uses as much as digits as its factorization.

169453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174.

The product of its digits is 3240, while the sum is 28.

The square root of 169453 is about 411.6466931727. The cubic root of 169453 is about 55.3371031770.

The spelling of 169453 in words is "one hundred sixty-nine thousand, four hundred fifty-three".