164135453 has 4 divisors (see below), whose sum is σ = 165333660. Its totient is φ = 162937248.

The previous prime is 164135443. The next prime is 164135479. The reversal of 164135453 is 354531461.

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 112826884 + 51308569 = 10622^2 + 7163^2 .

It is a cyclic number.

It is not a de Polignac number, because 164135453 - 2⁴ = 164135437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164135443) 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, 598898 + ... + 599171.

It is an arithmetic number, because the mean of its divisors is an integer number (41333415).

Almost surely, 2^164135453 is an apocalyptic number.

It is an amenable number.

164135453 is a deficient number, since it is larger than the sum of its proper divisors (1198207).

164135453 is a wasteful number, since it uses less digits than its factorization.

164135453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198206.

The product of its digits is 21600, while the sum is 32.

The square root of 164135453 is about 12811.5359344616. The cubic root of 164135453 is about 547.5210230802.

The spelling of 164135453 in words is "one hundred sixty-four million, one hundred thirty-five thousand, four hundred fifty-three".