242543148 has 24 divisors (see below), whose sum is σ = 599224752. Its totient is φ = 76091904.

The previous prime is 242543141. The next prime is 242543173. The reversal of 242543148 is 841345242.

It is not an unprimeable number, because it can be changed into a prime (242543141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594265 + ... + 594672.

It is an arithmetic number, because the mean of its divisors is an integer number (24967698).

Almost surely, 2^242543148 is an apocalyptic number.

It is an amenable number.

242543148 is an abundant number, since it is smaller than the sum of its proper divisors (356681604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242543148 is a wasteful number, since it uses less digits than its factorization.

242543148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188961 (or 1188959 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 242543148 is about 15573.7968395636. The cubic root of 242543148 is about 623.6338355540.

The spelling of 242543148 in words is "two hundred forty-two million, five hundred forty-three thousand, one hundred forty-eight".