115499854 has 4 divisors (see below), whose sum is σ = 173249784. Its totient is φ = 57749926.

The previous prime is 115499851. The next prime is 115499861. The reversal of 115499854 is 458994511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115499851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28874962 + ... + 28874965.

It is an arithmetic number, because the mean of its divisors is an integer number (43312446).

Almost surely, 2^115499854 is an apocalyptic number.

115499854 is a deficient number, since it is larger than the sum of its proper divisors (57749930).

115499854 is an equidigital number, since it uses as much as digits as its factorization.

115499854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57749929.

The product of its digits is 259200, while the sum is 46.

The square root of 115499854 is about 10747.0858375655. The cubic root of 115499854 is about 486.9979634690.

The spelling of 115499854 in words is "one hundred fifteen million, four hundred ninety-nine thousand, eight hundred fifty-four".