115445900 has 36 divisors (see below), whose sum is σ = 263707080. Its totient is φ = 43747200.

The previous prime is 115445893. The next prime is 115445909. The reversal of 115445900 is 9544511.

It is not an unprimeable number, because it can be changed into a prime (115445909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28481 + ... + 32280.

Almost surely, 2^115445900 is an apocalyptic number.

115445900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115445900 is an abundant number, since it is smaller than the sum of its proper divisors (148261180).

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

115445900 is a wasteful number, since it uses less digits than its factorization.

115445900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60794 (or 60787 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 115445900 is about 10744.5753755093. The cubic root of 115445900 is about 486.9221204277.

The spelling of 115445900 in words is "one hundred fifteen million, four hundred forty-five thousand, nine hundred".