164045215 has 8 divisors (see below), whose sum is σ = 201432528. Its totient is φ = 128184000.

The previous prime is 164045213. The next prime is 164045227. The reversal of 164045215 is 512540461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164045215 - 2¹ = 164045213 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 (164045213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381286 + ... + 381715.

It is an arithmetic number, because the mean of its divisors is an integer number (25179066).

Almost surely, 2^164045215 is an apocalyptic number.

164045215 is a deficient number, since it is larger than the sum of its proper divisors (37387313).

164045215 is an equidigital number, since it uses as much as digits as its factorization.

164045215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763049.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 164045215 is about 12808.0137023662. The cubic root of 164045215 is about 547.4206664169.

Adding to 164045215 its reverse (512540461), we get a palindrome (676585676).

The spelling of 164045215 in words is "one hundred sixty-four million, forty-five thousand, two hundred fifteen".