162442772 has 12 divisors (see below), whose sum is σ = 285303060. Its totient is φ = 80927616.

The previous prime is 162442771. The next prime is 162442801. The reversal of 162442772 is 277244261.

162442772 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 2 ways, for example, as 95922436 + 66520336 = 9794^2 + 8156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162442771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72197 + ... + 74412.

It is an arithmetic number, because the mean of its divisors is an integer number (23775255).

Almost surely, 2^162442772 is an apocalyptic number.

It is an amenable number.

162442772 is a deficient number, since it is larger than the sum of its proper divisors (122860288).

162442772 is a wasteful number, since it uses less digits than its factorization.

162442772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146890 (or 146888 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 162442772 is about 12745.3039194834. The cubic root of 162442772 is about 545.6323742840.

The spelling of 162442772 in words is "one hundred sixty-two million, four hundred forty-two thousand, seven hundred seventy-two".