164790245 has 8 divisors (see below), whose sum is σ = 201100320. Its totient is φ = 129597520.

The previous prime is 164790167. The next prime is 164790289. The reversal of 164790245 is 542097461.

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

It is a de Polignac number, because none of the positive numbers 2^k-164790245 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164790199 and 164790208.

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, 279011 + ... + 279600.

It is an arithmetic number, because the mean of its divisors is an integer number (25137540).

Almost surely, 2^164790245 is an apocalyptic number.

It is an amenable number.

164790245 is a deficient number, since it is larger than the sum of its proper divisors (36310075).

164790245 is an equidigital number, since it uses as much as digits as its factorization.

164790245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558675.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 164790245 is about 12837.0652798839. The cubic root of 164790245 is about 548.2481393948.

The spelling of 164790245 in words is "one hundred sixty-four million, seven hundred ninety thousand, two hundred forty-five".