115443805 has 8 divisors (see below), whose sum is σ = 141146712. Its totient is φ = 90612288.

The previous prime is 115443793. The next prime is 115443817. The reversal of 115443805 is 508344511.

It is an interprime number because it is at equal distance from previous prime (115443793) and next prime (115443817).

It can be written as a sum of positive squares in 4 ways, for example, as 47183161 + 68260644 = 6869^2 + 8262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115443805 is a prime.

It is a super-2 number, since 2×115443805² = 26654544225756050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217554 + ... + 218083.

It is an arithmetic number, because the mean of its divisors is an integer number (17643339).

Almost surely, 2^115443805 is an apocalyptic number.

It is an amenable number.

115443805 is a deficient number, since it is larger than the sum of its proper divisors (25702907).

115443805 is an equidigital number, since it uses as much as digits as its factorization.

115443805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435695.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 115443805 is about 10744.4778840109. The cubic root of 115443805 is about 486.9191750134.

The spelling of 115443805 in words is "one hundred fifteen million, four hundred forty-three thousand, eight hundred five".