242142164 has 24 divisors (see below), whose sum is σ = 463276800. Its totient is φ = 109825280.

The previous prime is 242142161. The next prime is 242142179. The reversal of 242142164 is 461241242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242142161) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15332 + ... + 26820.

It is an arithmetic number, because the mean of its divisors is an integer number (19303200).

Almost surely, 2^242142164 is an apocalyptic number.

It is an amenable number.

242142164 is a deficient number, since it is larger than the sum of its proper divisors (221134636).

242142164 is a wasteful number, since it uses less digits than its factorization.

242142164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983 (or 11981 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 242142164 is about 15560.9178392536. The cubic root of 242142164 is about 623.2899721681.

The spelling of 242142164 in words is "two hundred forty-two million, one hundred forty-two thousand, one hundred sixty-four".