115688454 has 32 divisors (see below), whose sum is σ = 278350080. Its totient is φ = 31313952.

The previous prime is 115688423. The next prime is 115688483. The reversal of 115688454 is 454886511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71689 + ... + 73284.

It is an arithmetic number, because the mean of its divisors is an integer number (8698440).

Almost surely, 2^115688454 is an apocalyptic number.

115688454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115688454 is an abundant number, since it is smaller than the sum of its proper divisors (162661626).

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

115688454 is a wasteful number, since it uses less digits than its factorization.

115688454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145004.

The product of its digits is 153600, while the sum is 42.

The square root of 115688454 is about 10755.8567301726. The cubic root of 115688454 is about 487.2628927169.

The spelling of 115688454 in words is "one hundred fifteen million, six hundred eighty-eight thousand, four hundred fifty-four".