162131242 has 32 divisors (see below), whose sum is σ = 306294912. Its totient is φ = 62645184.

The previous prime is 162131213. The next prime is 162131243. The reversal of 162131242 is 242131261.

It is not an unprimeable number, because it can be changed into a prime (162131243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533 + ... + 18184.

It is an arithmetic number, because the mean of its divisors is an integer number (9571716).

Almost surely, 2^162131242 is an apocalyptic number.

162131242 is a deficient number, since it is larger than the sum of its proper divisors (144163670).

162131242 is a wasteful number, since it uses less digits than its factorization.

162131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20782.

The product of its digits is 576, while the sum is 22.

The square root of 162131242 is about 12733.0766902583. The cubic root of 162131242 is about 545.2833495587.

The spelling of 162131242 in words is "one hundred sixty-two million, one hundred thirty-one thousand, two hundred forty-two".