115445500 has 24 divisors (see below), whose sum is σ = 252134064. Its totient is φ = 46178000.

The previous prime is 115445479. The next prime is 115445527. The reversal of 115445500 is 5544511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114946 + ... + 115945.

It is an arithmetic number, because the mean of its divisors is an integer number (10505586).

Almost surely, 2^115445500 is an apocalyptic number.

115445500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115445500 is an abundant number, since it is smaller than the sum of its proper divisors (136688564).

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

115445500 is a wasteful number, since it uses less digits than its factorization.

115445500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230910 (or 230898 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 115445500 is about 10744.5567614490. The cubic root of 115445500 is about 486.9215580602.

The spelling of 115445500 in words is "one hundred fifteen million, four hundred forty-five thousand, five hundred".