115102242 has 64 divisors (see below), whose sum is σ = 263733120. Its totient is φ = 37195200.

The previous prime is 115102241. The next prime is 115102243. The reversal of 115102242 is 242201511.

It is an interprime number because it is at equal distance from previous prime (115102241) and next prime (115102243).

It is a super-2 number, since 2×115102242² = 26497052226853128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (115102241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273192 + ... + 273612.

It is an arithmetic number, because the mean of its divisors is an integer number (4120830).

Almost surely, 2^115102242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115102242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131866560).

115102242 is an abundant number, since it is smaller than the sum of its proper divisors (148630878).

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

115102242 is a wasteful number, since it uses less digits than its factorization.

115102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 115102242 is about 10728.5712935134. The cubic root of 115102242 is about 486.4384855327.

Adding to 115102242 its reverse (242201511), we get a palindrome (357303753).

The spelling of 115102242 in words is "one hundred fifteen million, one hundred two thousand, two hundred forty-two".