115201489 has 16 divisors (see below), whose sum is σ = 128523024. Its totient is φ = 102585600.

The previous prime is 115201481. The next prime is 115201501. The reversal of 115201489 is 984102511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 25331089 + 89870400 = 5033^2 + 9480^2 .

It is not a de Polignac number, because 115201489 - 2³ = 115201481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115201489.

It is not an unprimeable number, because it can be changed into a prime (115201481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40659 + ... + 43399.

It is an arithmetic number, because the mean of its divisors is an integer number (8032689).

Almost surely, 2^115201489 is an apocalyptic number.

It is an amenable number.

115201489 is a deficient number, since it is larger than the sum of its proper divisors (13321535).

115201489 is a wasteful number, since it uses less digits than its factorization.

115201489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 115201489 is about 10733.1956564669. The cubic root of 115201489 is about 486.5782560254.

The spelling of 115201489 in words is "one hundred fifteen million, two hundred one thousand, four hundred eighty-nine".