242253256 has 48 divisors (see below), whose sum is σ = 541307340. Its totient is φ = 101283840.

The previous prime is 242253239. The next prime is 242253257. The reversal of 242253256 is 652352242.

It can be written as a sum of positive squares in 2 ways, for example, as 222308100 + 19945156 = 14910^2 + 4466^2 .

It is not an unprimeable number, because it can be changed into a prime (242253257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8536 + ... + 23608.

Almost surely, 2^242253256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242253256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270653670).

242253256 is an abundant number, since it is smaller than the sum of its proper divisors (299054084).

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

242253256 is a wasteful number, since it uses less digits than its factorization.

242253256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15134 (or 15123 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 242253256 is about 15564.4870137117. The cubic root of 242253256 is about 623.3852769840.

The spelling of 242253256 in words is "two hundred forty-two million, two hundred fifty-three thousand, two hundred fifty-six".