115309948 has 48 divisors (see below), whose sum is σ = 230307840. Its totient is φ = 50111424.

The previous prime is 115309939. The next prime is 115309951. The reversal of 115309948 is 849903511.

It is a self number, because there is not a number n which added to its sum of digits gives 115309948.

It is a congruent 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, 79413 + ... + 80851.

It is an arithmetic number, because the mean of its divisors is an integer number (4798080).

Almost surely, 2^115309948 is an apocalyptic number.

It is an amenable number.

115309948 is a deficient number, since it is larger than the sum of its proper divisors (114997892).

115309948 is a wasteful number, since it uses less digits than its factorization.

115309948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 115309948 is about 10738.2469705255. The cubic root of 115309948 is about 486.7309080976.

The spelling of 115309948 in words is "one hundred fifteen million, three hundred nine thousand, nine hundred forty-eight".