242135500 has 48 divisors (see below), whose sum is σ = 547092000. Its totient is φ = 93508800.

The previous prime is 242135497. The next prime is 242135507. The reversal of 242135500 is 5531242.

It is not an unprimeable number, because it can be changed into a prime (242135507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151 + ... + 22849.

It is an arithmetic number, because the mean of its divisors is an integer number (11397750).

Almost surely, 2^242135500 is an apocalyptic number.

242135500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242135500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273546000).

242135500 is an abundant number, since it is smaller than the sum of its proper divisors (304956500).

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

242135500 is a wasteful number, since it uses less digits than its factorization.

242135500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747 (or 16735 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 242135500 is about 15560.7037115935. The cubic root of 242135500 is about 623.2842542565.

Adding to 242135500 its reverse (5531242), we get a palindrome (247666742).

The spelling of 242135500 in words is "two hundred forty-two million, one hundred thirty-five thousand, five hundred".