242720162 has 4 divisors (see below), whose sum is σ = 364080246. Its totient is φ = 121360080.

The previous prime is 242720141. The next prime is 242720207. The reversal of 242720162 is 261027242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216413521 + 26306641 = 14711^2 + 5129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60680039 + ... + 60680042.

Almost surely, 2^242720162 is an apocalyptic number.

242720162 is a deficient number, since it is larger than the sum of its proper divisors (121360084).

242720162 is a wasteful number, since it uses less digits than its factorization.

242720162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121360083.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 242720162 is about 15579.4788744682. The cubic root of 242720162 is about 623.7855131366.

The spelling of 242720162 in words is "two hundred forty-two million, seven hundred twenty thousand, one hundred sixty-two".