165370245 has 16 divisors (see below), whose sum is σ = 264826752. Its totient is φ = 88119360.

The previous prime is 165370241. The next prime is 165370259. The reversal of 165370245 is 542073561.

It is not a de Polignac number, because 165370245 - 2² = 165370241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165370241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15315 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (16551672).

Almost surely, 2^165370245 is an apocalyptic number.

165370245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165370245 is a deficient number, since it is larger than the sum of its proper divisors (99456507).

165370245 is a wasteful number, since it uses less digits than its factorization.

165370245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 165370245 is about 12859.6362701283. The cubic root of 165370245 is about 548.8905956825.

The spelling of 165370245 in words is "one hundred sixty-five million, three hundred seventy thousand, two hundred forty-five".