242044153 has 4 divisors (see below), whose sum is σ = 260662948. Its totient is φ = 223425360.

The previous prime is 242044141. The next prime is 242044169. The reversal of 242044153 is 351440242.

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 105925264 + 136118889 = 10292^2 + 11667^2 .

It is a cyclic number.

It is not a de Polignac number, because 242044153 - 2¹³ = 242035961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242041153) 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 3 ways as a sum of consecutive naturals, for example, 9309378 + ... + 9309403.

It is an arithmetic number, because the mean of its divisors is an integer number (65165737).

Almost surely, 2^242044153 is an apocalyptic number.

It is an amenable number.

242044153 is a deficient number, since it is larger than the sum of its proper divisors (18618795).

242044153 is a wasteful number, since it uses less digits than its factorization.

242044153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18618794.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 242044153 is about 15557.7682525483. The cubic root of 242044153 is about 623.2058652168.

Adding to 242044153 its reverse (351440242), we get a palindrome (593484395).

The spelling of 242044153 in words is "two hundred forty-two million, forty-four thousand, one hundred fifty-three".