115143306 has 32 divisors (see below), whose sum is σ = 242948160. Its totient is φ = 36279936.

The previous prime is 115143277. The next prime is 115143317. The reversal of 115143306 is 603341511.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69520 + ... + 71156.

It is an arithmetic number, because the mean of its divisors is an integer number (7592130).

Almost surely, 2^115143306 is an apocalyptic number.

115143306 is an abundant number, since it is smaller than the sum of its proper divisors (127804854).

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

115143306 is a wasteful number, since it uses less digits than its factorization.

115143306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 115143306 is about 10730.4848911874. The cubic root of 115143306 is about 486.4963260944.

Adding to 115143306 its reverse (603341511), we get a palindrome (718484817).

The spelling of 115143306 in words is "one hundred fifteen million, one hundred forty-three thousand, three hundred six".