242648153 has 4 divisors (see below), whose sum is σ = 264707088. Its totient is φ = 220589220.

The previous prime is 242648149. The next prime is 242648167. The reversal of 242648153 is 351846242.

242648153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242648153 - 2² = 242648149 is a prime.

It is a super-3 number, since 3×242648153³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242648113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11029451 + ... + 11029472.

It is an arithmetic number, because the mean of its divisors is an integer number (66176772).

Almost surely, 2^242648153 is an apocalyptic number.

It is an amenable number.

242648153 is a deficient number, since it is larger than the sum of its proper divisors (22058935).

242648153 is a wasteful number, since it uses less digits than its factorization.

242648153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22058934.

The product of its digits is 46080, while the sum is 35.

The square root of 242648153 is about 15577.1676822200. The cubic root of 242648153 is about 623.7238198497.

The spelling of 242648153 in words is "two hundred forty-two million, six hundred forty-eight thousand, one hundred fifty-three".