115915442 has 8 divisors (see below), whose sum is σ = 177572736. Its totient is φ = 56724532.

The previous prime is 115915441. The next prime is 115915453. The reversal of 115915442 is 244519511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115915399 and 115915408.

It is not an unprimeable number, because it can be changed into a prime (115915441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616478 + ... + 616665.

It is an arithmetic number, because the mean of its divisors is an integer number (22196592).

Almost surely, 2^115915442 is an apocalyptic number.

115915442 is a deficient number, since it is larger than the sum of its proper divisors (61657294).

115915442 is a wasteful number, since it uses less digits than its factorization.

115915442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233192.

The product of its digits is 7200, while the sum is 32.

The square root of 115915442 is about 10766.4033920339. The cubic root of 115915442 is about 487.5813646354.

The spelling of 115915442 in words is "one hundred fifteen million, nine hundred fifteen thousand, four hundred forty-two".