162742322 has 4 divisors (see below), whose sum is σ = 244113486. Its totient is φ = 81371160.

The previous prime is 162742313. The next prime is 162742337. The reversal of 162742322 is 223247261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223247261 = 107 ⋅2086423.

It can be written as a sum of positive squares in only one way, i.e., 160757041 + 1985281 = 12679^2 + 1409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40685579 + ... + 40685582.

Almost surely, 2^162742322 is an apocalyptic number.

162742322 is a deficient number, since it is larger than the sum of its proper divisors (81371164).

162742322 is an equidigital number, since it uses as much as digits as its factorization.

162742322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81371163.

The product of its digits is 8064, while the sum is 29.

The square root of 162742322 is about 12757.0498940782. The cubic root of 162742322 is about 545.9675565618.

Adding to 162742322 its reverse (223247261), we get a palindrome (385989583).

The spelling of 162742322 in words is "one hundred sixty-two million, seven hundred forty-two thousand, three hundred twenty-two".