115542000 has 360 divisors, whose sum is σ = 473018832. Its totient is φ = 26208000.

The previous prime is 115541999. The next prime is 115542019. The reversal of 115542000 is 245511.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 881935 + ... + 882065.

Almost surely, 2^115542000 is an apocalyptic number.

115542000 is a gapful number since it is divisible by the number (10) 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 115542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236509416).

115542000 is an abundant number, since it is smaller than the sum of its proper divisors (357476832).

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

115542000 is a wasteful number, since it uses less digits than its factorization.

115542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 115542000 is about 10749.0464693386. The cubic root of 115542000 is about 487.0571915962.

Adding to 115542000 its reverse (245511), we get a palindrome (115787511).

The spelling of 115542000 in words is "one hundred fifteen million, five hundred forty-two thousand".