115102218 has 128 divisors (see below), whose sum is σ = 303575040. Its totient is φ = 28459200.

The previous prime is 115102217. The next prime is 115102219. The reversal of 115102218 is 812201511.

It is an interprime number because it is at equal distance from previous prime (115102217) and next prime (115102219).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 115102194 and 115102203.

It is not an unprimeable number, because it can be changed into a prime (115102217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1621123 + ... + 1621193.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^115102218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115102218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151787520).

115102218 is an abundant number, since it is smaller than the sum of its proper divisors (188472822).

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

115102218 is a wasteful number, since it uses less digits than its factorization.

115102218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 115102218 is about 10728.5701750047. The cubic root of 115102218 is about 486.4384517236.

Adding to 115102218 its product of nonzero digits (160), we get a triangular number (115102378 = T₁₅₁₇₂).

Adding to 115102218 its reverse (812201511), we get a palindrome (927303729).

The spelling of 115102218 in words is "one hundred fifteen million, one hundred two thousand, two hundred eighteen".