115475380 has 12 divisors (see below), whose sum is σ = 242498340. Its totient is φ = 46190144.

The previous prime is 115475377. The next prime is 115475389. The reversal of 115475380 is 83574511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33246756 + 82228624 = 5766^2 + 9068^2 .

It is a super-3 number, since 3×115475380³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115475389) 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, 2886865 + ... + 2886904.

It is an arithmetic number, because the mean of its divisors is an integer number (20208195).

Almost surely, 2^115475380 is an apocalyptic number.

115475380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115475380 is an abundant number, since it is smaller than the sum of its proper divisors (127022960).

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

115475380 is a wasteful number, since it uses less digits than its factorization.

115475380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773778 (or 5773776 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 115475380 is about 10745.9471429930. The cubic root of 115475380 is about 486.9635633386.

The spelling of 115475380 in words is "one hundred fifteen million, four hundred seventy-five thousand, three hundred eighty".