242859342 has 48 divisors (see below), whose sum is σ = 548379216. Its totient is φ = 71596800.

The previous prime is 242859341. The next prime is 242859343. The reversal of 242859342 is 243958242.

It is an interprime number because it is at equal distance from previous prime (242859341) and next prime (242859343).

It is a self number, because there is not a number n which added to its sum of digits gives 242859342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242859341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22342 + ... + 31382.

It is an arithmetic number, because the mean of its divisors is an integer number (11424567).

Almost surely, 2^242859342 is an apocalyptic number.

242859342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242859342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274189608).

242859342 is an abundant number, since it is smaller than the sum of its proper divisors (305519874).

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

242859342 is a wasteful number, since it uses less digits than its factorization.

242859342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105 (or 9094 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 242859342 is about 15583.9450076032. The cubic root of 242859342 is about 623.9047202074.

The spelling of 242859342 in words is "two hundred forty-two million, eight hundred fifty-nine thousand, three hundred forty-two".