115273305 has 48 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 52049664.

The previous prime is 115273297. The next prime is 115273313. The reversal of 115273305 is 503372511.

It is an interprime number because it is at equal distance from previous prime (115273297) and next prime (115273313).

It is not a de Polignac number, because 115273305 - 2³ = 115273297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23941 + ... + 28349.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^115273305 is an apocalyptic number.

115273305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115273305 is an abundant number, since it is smaller than the sum of its proper divisors (115881255).

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

115273305 is a wasteful number, since it uses less digits than its factorization.

115273305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 115273305 is about 10736.5406439877. The cubic root of 115273305 is about 486.6793451275.

The spelling of 115273305 in words is "one hundred fifteen million, two hundred seventy-three thousand, three hundred five".