115623146 has 4 divisors (see below), whose sum is σ = 173434722. Its totient is φ = 57811572.

The previous prime is 115623143. The next prime is 115623161. The reversal of 115623146 is 641326511.

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., 115326121 + 297025 = 10739^2 + 545^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115623143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28905785 + ... + 28905788.

Almost surely, 2^115623146 is an apocalyptic number.

115623146 is a deficient number, since it is larger than the sum of its proper divisors (57811576).

115623146 is an equidigital number, since it uses as much as digits as its factorization.

115623146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57811575.

The product of its digits is 4320, while the sum is 29.

The square root of 115623146 is about 10752.8203742088. The cubic root of 115623146 is about 487.1711862017.

Adding to 115623146 its reverse (641326511), we get a palindrome (756949657).

The spelling of 115623146 in words is "one hundred fifteen million, six hundred twenty-three thousand, one hundred forty-six".