115644266 has 4 divisors (see below), whose sum is σ = 173466402. Its totient is φ = 57822132.

The previous prime is 115644239. The next prime is 115644301. The reversal of 115644266 is 662446511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662446511 = 1223 ⋅541657.

It can be written as a sum of positive squares in only one way, i.e., 79584241 + 36060025 = 8921^2 + 6005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28911065 + ... + 28911068.

Almost surely, 2^115644266 is an apocalyptic number.

115644266 is a deficient number, since it is larger than the sum of its proper divisors (57822136).

115644266 is an equidigital number, since it uses as much as digits as its factorization.

115644266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57822135.

The product of its digits is 34560, while the sum is 35.

The square root of 115644266 is about 10753.8023972919. The cubic root of 115644266 is about 487.2008470132.

The spelling of 115644266 in words is "one hundred fifteen million, six hundred forty-four thousand, two hundred sixty-six".