162000145 has 4 divisors (see below), whose sum is σ = 194400180. Its totient is φ = 129600112.

The previous prime is 162000133. The next prime is 162000173. The reversal of 162000145 is 541000261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88435216 + 73564929 = 9404^2 + 8577^2 .

It is a cyclic number.

It is not a de Polignac number, because 162000145 - 2⁹ = 161999633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16200010 + ... + 16200019.

It is an arithmetic number, because the mean of its divisors is an integer number (48600045).

Almost surely, 2^162000145 is an apocalyptic number.

It is an amenable number.

162000145 is a deficient number, since it is larger than the sum of its proper divisors (32400035).

162000145 is an equidigital number, since it uses as much as digits as its factorization.

162000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400034.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 162000145 is about 12727.9277574945. The cubic root of 162000145 is about 545.1363404931.

The spelling of 162000145 in words is "one hundred sixty-two million, one hundred forty-five", and thus it is an aban number.