115216146 has 24 divisors (see below), whose sum is σ = 249906384. Its totient is φ = 38363640.

The previous prime is 115216141. The next prime is 115216151. The reversal of 115216146 is 641612511.

It is an interprime number because it is at equal distance from previous prime (115216141) and next prime (115216151).

It is not an unprimeable number, because it can be changed into a prime (115216141) 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, 16705 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (10412766).

Almost surely, 2^115216146 is an apocalyptic number.

115216146 is an abundant number, since it is smaller than the sum of its proper divisors (134690238).

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

115216146 is a wasteful number, since it uses less digits than its factorization.

115216146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6963 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 115216146 is about 10733.8784230119. The cubic root of 115216146 is about 486.5988908139.

Adding to 115216146 its reverse (641612511), we get a palindrome (756828657).

The spelling of 115216146 in words is "one hundred fifteen million, two hundred sixteen thousand, one hundred forty-six".