115140146 has 16 divisors (see below), whose sum is σ = 188593920. Its totient is φ = 52285680.

The previous prime is 115140119. The next prime is 115140163. The reversal of 115140146 is 641041511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29840 + ... + 33476.

It is an arithmetic number, because the mean of its divisors is an integer number (11787120).

Almost surely, 2^115140146 is an apocalyptic number.

115140146 is a deficient number, since it is larger than the sum of its proper divisors (73453774).

115140146 is a wasteful number, since it uses less digits than its factorization.

115140146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 115140146 is about 10730.3376461321. The cubic root of 115140146 is about 486.4918755753.

Adding to 115140146 its reverse (641041511), we get a palindrome (756181657).

The spelling of 115140146 in words is "one hundred fifteen million, one hundred forty thousand, one hundred forty-six".