115822145 has 4 divisors (see below), whose sum is σ = 138986580. Its totient is φ = 92657712.

The previous prime is 115822123. The next prime is 115822151. The reversal of 115822145 is 541228511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46799281 + 69022864 = 6841^2 + 8308^2 .

It is a cyclic number.

It is not a de Polignac number, because 115822145 - 2²⁰ = 114773569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11582210 + ... + 11582219.

It is an arithmetic number, because the mean of its divisors is an integer number (34746645).

Almost surely, 2^115822145 is an apocalyptic number.

It is an amenable number.

115822145 is a deficient number, since it is larger than the sum of its proper divisors (23164435).

115822145 is an equidigital number, since it uses as much as digits as its factorization.

115822145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23164434.

The product of its digits is 3200, while the sum is 29.

The square root of 115822145 is about 10762.0697358826. The cubic root of 115822145 is about 487.4505161257.

The spelling of 115822145 in words is "one hundred fifteen million, eight hundred twenty-two thousand, one hundred forty-five".