162215442 has 24 divisors (see below), whose sum is σ = 356715216. Its totient is φ = 53264376.

The previous prime is 162215429. The next prime is 162215453. The reversal of 162215442 is 244512261.

162215442 is a `hidden beast` number, since 1 + 6 + 2 + 215 + 442 = 666.

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 11 ways as a sum of consecutive naturals, for example, 66048 + ... + 68459.

It is an arithmetic number, because the mean of its divisors is an integer number (14863134).

Almost surely, 2^162215442 is an apocalyptic number.

162215442 is an abundant number, since it is smaller than the sum of its proper divisors (194499774).

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

162215442 is a wasteful number, since it uses less digits than its factorization.

162215442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134582 (or 134579 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 162215442 is about 12736.3826104589. The cubic root of 162215442 is about 545.3777276518.

The spelling of 162215442 in words is "one hundred sixty-two million, two hundred fifteen thousand, four hundred forty-two".