242500000 has 96 divisors (see below), whose sum is σ = 602928144. Its totient is φ = 96000000.

The previous prime is 242499973. The next prime is 242500009. The reversal of 242500000 is 5242.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 226081296 + 16418704 = 15036^2 + 4052^2 .

It is not an unprimeable number, because it can be changed into a prime (242500009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499952 + ... + 2500048.

Almost surely, 2^242500000 is an apocalyptic number.

242500000 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 242500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301464072).

242500000 is an abundant number, since it is smaller than the sum of its proper divisors (360428144).

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

242500000 is an frugal number, since it uses more digits than its factorization.

242500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 242500000 is about 15572.4115023974. The cubic root of 242500000 is about 623.5968522396.

Adding to 242500000 its reverse (5242), we get a palindrome (242505242).

It can be divided in two parts, 242 and 500000, that multiplied together give a square (121000000 = 11000²).

The spelling of 242500000 in words is "two hundred forty-two million, five hundred thousand".