115287948 has 72 divisors (see below), whose sum is σ = 320038992. Its totient is φ = 36163584.

The previous prime is 115287943. The next prime is 115287973. The reversal of 115287948 is 849782511.

115287948 is a `hidden beast` number, since 11 + 528 + 79 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (115287943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13036 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (4444986).

Almost surely, 2^115287948 is an apocalyptic number.

115287948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115287948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160019496).

115287948 is an abundant number, since it is smaller than the sum of its proper divisors (204751044).

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

115287948 is a wasteful number, since it uses less digits than its factorization.

115287948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 6999 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 115287948 is about 10737.2225458915. Note that the first 3 decimals coincide. The cubic root of 115287948 is about 486.6999516444.

The spelling of 115287948 in words is "one hundred fifteen million, two hundred eighty-seven thousand, nine hundred forty-eight".