242120545154 has 8 divisors (see below), whose sum is σ = 363530369280. Its totient is φ = 120943755396.

The previous prime is 242120545151. The next prime is 242120545171. The reversal of 242120545154 is 451545021242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242120545151) 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, 58255994 + ... + 58260149.

It is an arithmetic number, because the mean of its divisors is an integer number (45441296160).

Almost surely, 2^242120545154 is an apocalyptic number.

242120545154 is a deficient number, since it is larger than the sum of its proper divisors (121409824126).

242120545154 is a wasteful number, since it uses less digits than its factorization.

242120545154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116517184.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 242120545154 its reverse (451545021242), we get a palindrome (693665566396).

The spelling of 242120545154 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, one hundred fifty-four".