115045000 has 160 divisors (see below), whose sum is σ = 326145600. Its totient is φ = 37152000.

The previous prime is 115044989. The next prime is 115045003. The reversal of 115045000 is 540511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115045003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 664914 + ... + 665086.

It is an arithmetic number, because the mean of its divisors is an integer number (2038410).

Almost surely, 2^115045000 is an apocalyptic number.

115045000 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 115045000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163072800).

115045000 is an abundant number, since it is smaller than the sum of its proper divisors (211100600).

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

115045000 is a wasteful number, since it uses less digits than its factorization.

115045000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 115045000 is about 10725.9032253699. The cubic root of 115045000 is about 486.3578345438.

Adding to 115045000 its reverse (540511), we get a palindrome (115585511).

The spelling of 115045000 in words is "one hundred fifteen million, forty-five thousand".