164787045 has 8 divisors (see below), whose sum is σ = 263659296. Its totient is φ = 87886416.

The previous prime is 164787031. The next prime is 164787053. The reversal of 164787045 is 540787461.

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

It is not a de Polignac number, because 164787045 - 2⁹ = 164786533 is a prime.

It is a Smith number, since the sum of its digits (42) 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 = 164786988 and 164787006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5492887 + ... + 5492916.

It is an arithmetic number, because the mean of its divisors is an integer number (32957412).

Almost surely, 2^164787045 is an apocalyptic number.

164787045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164787045 is a deficient number, since it is larger than the sum of its proper divisors (98872251).

164787045 is a wasteful number, since it uses less digits than its factorization.

164787045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985811.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 164787045 is about 12836.9406401993. The cubic root of 164787045 is about 548.2445906301.

The spelling of 164787045 in words is "one hundred sixty-four million, seven hundred eighty-seven thousand, forty-five".