115152287 has 4 divisors (see below), whose sum is σ = 116208840. Its totient is φ = 114095736.

The previous prime is 115152281. The next prime is 115152299. The reversal of 115152287 is 782251511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115152287 - 2⁸ = 115152031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115152281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528113 + ... + 528330.

It is an arithmetic number, because the mean of its divisors is an integer number (29052210).

Almost surely, 2^115152287 is an apocalyptic number.

115152287 is a deficient number, since it is larger than the sum of its proper divisors (1056553).

115152287 is a wasteful number, since it uses less digits than its factorization.

115152287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056552.

The product of its digits is 5600, while the sum is 32.

The square root of 115152287 is about 10730.9033636502. The cubic root of 115152287 is about 486.5089744196.

The spelling of 115152287 in words is "one hundred fifteen million, one hundred fifty-two thousand, two hundred eighty-seven".