162275140 has 24 divisors (see below), whose sum is σ = 341109720. Its totient is φ = 64846848.

The previous prime is 162275137. The next prime is 162275177. The reversal of 162275140 is 41572261.

162275140 is digitally balanced in base 3, 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 7322436 + 154952704 = 2706^2 + 12448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162275099 and 162275108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20916 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (14212905).

Almost surely, 2^162275140 is an apocalyptic number.

162275140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162275140 is an abundant number, since it is smaller than the sum of its proper divisors (178834580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162275140 is a wasteful number, since it uses less digits than its factorization.

162275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 162275140 is about 12738.7259959542. The cubic root of 162275140 is about 545.4446221595. Note that the first 3 decimals are identical.

The spelling of 162275140 in words is "one hundred sixty-two million, two hundred seventy-five thousand, one hundred forty".