115505146 has 4 divisors (see below), whose sum is σ = 173257722. Its totient is φ = 57752572.

The previous prime is 115505141. The next prime is 115505153. The reversal of 115505146 is 641505511.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 20657025 = 9739^2 + 4545^2 .

It is not an unprimeable number, because it can be changed into a prime (115505141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28876285 + ... + 28876288.

Almost surely, 2^115505146 is an apocalyptic number.

115505146 is a deficient number, since it is larger than the sum of its proper divisors (57752576).

115505146 is an equidigital number, since it uses as much as digits as its factorization.

115505146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752575.

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

The square root of 115505146 is about 10747.3320410230. The cubic root of 115505146 is about 487.0054011519.

The spelling of 115505146 in words is "one hundred fifteen million, five hundred five thousand, one hundred forty-six".