164255045 has 8 divisors (see below), whose sum is σ = 197272824. Its totient is φ = 131292864.

The previous prime is 164255033. The next prime is 164255051. The reversal of 164255045 is 540552461.

It can be written as a sum of positive squares in 4 ways, for example, as 28718881 + 135536164 = 5359^2 + 11642^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 164255045 - 2⁸ = 164254789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7094 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (24659103).

Almost surely, 2^164255045 is an apocalyptic number.

It is an amenable number.

164255045 is a deficient number, since it is larger than the sum of its proper divisors (33017779).

164255045 is a wasteful number, since it uses less digits than its factorization.

164255045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27799.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 164255045 is about 12816.2024406608. The cubic root of 164255045 is about 547.6539686369.

The spelling of 164255045 in words is "one hundred sixty-four million, two hundred fifty-five thousand, forty-five".