115920148 has 12 divisors (see below), whose sum is σ = 202979700. Its totient is φ = 57925952.

The previous prime is 115920137. The next prime is 115920151. The reversal of 115920148 is 841029511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91929744 + 23990404 = 9588^2 + 4898^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (16914975).

Almost surely, 2^115920148 is an apocalyptic number.

It is an amenable number.

115920148 is a deficient number, since it is larger than the sum of its proper divisors (87059552).

115920148 is a wasteful number, since it uses less digits than its factorization.

115920148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17066 (or 17064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 115920148 is about 10766.6219400516. The cubic root of 115920148 is about 487.5879629132.

Adding to 115920148 its reverse (841029511), we get a palindrome (956949659).

The spelling of 115920148 in words is "one hundred fifteen million, nine hundred twenty thousand, one hundred forty-eight".