165070245 has 16 divisors (see below), whose sum is σ = 268056000. Its totient is φ = 86722944.

The previous prime is 165070237. The next prime is 165070261. The reversal of 165070245 is 542070561.

It is not a de Polignac number, because 165070245 - 2³ = 165070237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81120 + ... + 83129.

It is an arithmetic number, because the mean of its divisors is an integer number (16753500).

Almost surely, 2^165070245 is an apocalyptic number.

165070245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165070245 is a deficient number, since it is larger than the sum of its proper divisors (102985755).

165070245 is a wasteful number, since it uses less digits than its factorization.

165070245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164324.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 165070245 is about 12847.9665706290. The cubic root of 165070245 is about 548.5584785916.

The spelling of 165070245 in words is "one hundred sixty-five million, seventy thousand, two hundred forty-five".