115146505 has 4 divisors (see below), whose sum is σ = 138175812. Its totient is φ = 92117200.

The previous prime is 115146463. The next prime is 115146523. The reversal of 115146505 is 505641511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505641511 = 997 ⋅507163.

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 49406841 = 8108^2 + 7029^2 .

It is not a de Polignac number, because 115146505 - 2⁷ = 115146377 is a prime.

It is a super-2 number, since 2×115146505² = 26517435227430050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11514646 + ... + 11514655.

It is an arithmetic number, because the mean of its divisors is an integer number (34543953).

Almost surely, 2^115146505 is an apocalyptic number.

It is an amenable number.

115146505 is a deficient number, since it is larger than the sum of its proper divisors (23029307).

115146505 is an equidigital number, since it uses as much as digits as its factorization.

115146505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23029306.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 115146505 is about 10730.6339514495. The cubic root of 115146505 is about 486.5008314579.

The spelling of 115146505 in words is "one hundred fifteen million, one hundred forty-six thousand, five hundred five".