164552845 has 4 divisors (see below), whose sum is σ = 197463420. Its totient is φ = 131642272.

The previous prime is 164552827. The next prime is 164552849. The reversal of 164552845 is 548255461.

164552845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 79673476 + 84879369 = 8926^2 + 9213^2 .

It is a cyclic number.

It is not a de Polignac number, because 164552845 - 2¹⁵ = 164520077 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 164552798 and 164552807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164552849) 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, 16455280 + ... + 16455289.

It is an arithmetic number, because the mean of its divisors is an integer number (49365855).

Almost surely, 2^164552845 is an apocalyptic number.

It is an amenable number.

164552845 is a deficient number, since it is larger than the sum of its proper divisors (32910575).

164552845 is an equidigital number, since it uses as much as digits as its factorization.

164552845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32910574.

The product of its digits is 192000, while the sum is 40.

The square root of 164552845 is about 12827.8152855426. The cubic root of 164552845 is about 547.9847405931.

The spelling of 164552845 in words is "one hundred sixty-four million, five hundred fifty-two thousand, eight hundred forty-five".