162185945 has 8 divisors (see below), whose sum is σ = 194880840. Its totient is φ = 129576960.

The previous prime is 162185927. The next prime is 162185971. The reversal of 162185945 is 549581261.

162185945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 107584 + 162078361 = 328^2 + 12731^2 .

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

It is not a de Polignac number, because 162185945 - 2¹⁴ = 162169561 is a prime.

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, 17246 + ... + 24935.

It is an arithmetic number, because the mean of its divisors is an integer number (24360105).

Almost surely, 2^162185945 is an apocalyptic number.

It is an amenable number.

162185945 is a deficient number, since it is larger than the sum of its proper divisors (32694895).

162185945 is an equidigital number, since it uses as much as digits as its factorization.

162185945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42955.

The product of its digits is 86400, while the sum is 41.

The square root of 162185945 is about 12735.2245759547. The cubic root of 162185945 is about 545.3446687727.

The spelling of 162185945 in words is "one hundred sixty-two million, one hundred eighty-five thousand, nine hundred forty-five".