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164453 = 473499
BaseRepresentation
bin101000001001100101
322100120212
4220021211
520230303
63305205
71253312
oct501145
9270525
10164453
11102613
127b205
1359b13
1443d09
1533ad8
hex28265

164453 has 4 divisors (see below), whose sum is σ = 168000. Its totient is φ = 160908.

The previous prime is 164449. The next prime is 164471. The reversal of 164453 is 354461.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 164453 - 22 = 164449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 164453.

It is not an unprimeable number, because it can be changed into a prime (164413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2164453 is an apocalyptic number.

It is an amenable number.

164453 is a deficient number, since it is larger than the sum of its proper divisors (3547).

164453 is an equidigital number, since it uses as much as digits as its factorization.

164453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its digits is 1440, while the sum is 23.

The square root of 164453 is about 405.5280508177. The cubic root of 164453 is about 54.7873885412.

The spelling of 164453 in words is "one hundred sixty-four thousand, four hundred fifty-three".

Divisors: 1 47 3499 164453