115571146 has 4 divisors (see below), whose sum is σ = 173356722. Its totient is φ = 57785572.

The previous prime is 115571107. The next prime is 115571153. The reversal of 115571146 is 641175511.

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., 115326121 + 245025 = 10739^2 + 495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28892785 + ... + 28892788.

Almost surely, 2^115571146 is an apocalyptic number.

115571146 is a deficient number, since it is larger than the sum of its proper divisors (57785576).

115571146 is an equidigital number, since it uses as much as digits as its factorization.

115571146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57785575.

The product of its digits is 4200, while the sum is 31.

The square root of 115571146 is about 10750.4021320135. The cubic root of 115571146 is about 487.0981422907.

The spelling of 115571146 in words is "one hundred fifteen million, five hundred seventy-one thousand, one hundred forty-six".