164132445 has 16 divisors (see below), whose sum is σ = 271084032. Its totient is φ = 84713280.

The previous prime is 164132401. The next prime is 164132453. The reversal of 164132445 is 544231461.

It is not a de Polignac number, because 164132445 - 2¹⁷ = 164001373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176022 + ... + 176951.

It is an arithmetic number, because the mean of its divisors is an integer number (16942752).

Almost surely, 2^164132445 is an apocalyptic number.

164132445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164132445 is a deficient number, since it is larger than the sum of its proper divisors (106951587).

164132445 is a wasteful number, since it uses less digits than its factorization.

164132445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353012.

The product of its digits is 11520, while the sum is 30.

The square root of 164132445 is about 12811.4185397246. The cubic root of 164132445 is about 547.5176783767.

The spelling of 164132445 in words is "one hundred sixty-four million, one hundred thirty-two thousand, four hundred forty-five".