115478142 has 32 divisors (see below), whose sum is σ = 250535040. Its totient is φ = 35272800.

The previous prime is 115478137. The next prime is 115478159. The reversal of 115478142 is 241874511.

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, 5517 + ... + 16167.

It is an arithmetic number, because the mean of its divisors is an integer number (7829220).

Almost surely, 2^115478142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115478142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125267520).

115478142 is an abundant number, since it is smaller than the sum of its proper divisors (135056898).

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

115478142 is a wasteful number, since it uses less digits than its factorization.

115478142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808.

The product of its digits is 8960, while the sum is 33.

The square root of 115478142 is about 10746.0756557917. The cubic root of 115478142 is about 486.9674457900.

The spelling of 115478142 in words is "one hundred fifteen million, four hundred seventy-eight thousand, one hundred forty-two".