115443001 has 2 divisors, whose sum is σ = 115443002. Its totient is φ = 115443000.

The previous prime is 115442983. The next prime is 115443017. The reversal of 115443001 is 100344511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111281401 + 4161600 = 10549^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 115443001 - 2⁹ = 115442489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115443001.

It is not a weakly prime, because it can be changed into another prime (115443091) 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, 57721500 + 57721501.

It is an arithmetic number, because the mean of its divisors is an integer number (57721501).

Almost surely, 2^115443001 is an apocalyptic number.

It is an amenable number.

115443001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115443001 is an equidigital number, since it uses as much as digits as its factorization.

115443001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115443001 is about 10744.4404693776. The cubic root of 115443001 is about 486.9180446397.

Adding to 115443001 its reverse (100344511), we get a palindrome (215787512).

The spelling of 115443001 in words is "one hundred fifteen million, four hundred forty-three thousand, one".