242010133 has 4 divisors (see below), whose sum is σ = 250355340. Its totient is φ = 233664928.

The previous prime is 242010091. The next prime is 242010161. The reversal of 242010133 is 331010242.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65173329 + 176836804 = 8073^2 + 13298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242010133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242010833) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4172560 + ... + 4172617.

It is an arithmetic number, because the mean of its divisors is an integer number (62588835).

Almost surely, 2^242010133 is an apocalyptic number.

It is an amenable number.

242010133 is a deficient number, since it is larger than the sum of its proper divisors (8345207).

242010133 is an equidigital number, since it uses as much as digits as its factorization.

242010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345206.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 242010133 is about 15556.6748696500. The cubic root of 242010133 is about 623.1766660580.

Adding to 242010133 its reverse (331010242), we get a palindrome (573020375).

The spelling of 242010133 in words is "two hundred forty-two million, ten thousand, one hundred thirty-three".