115448513 has 8 divisors (see below), whose sum is σ = 122333832. Its totient is φ = 108573696.

The previous prime is 115448491. The next prime is 115448521. The reversal of 115448513 is 315844511.

It can be written as a sum of positive squares in 4 ways, for example, as 34304449 + 81144064 = 5857^2 + 9008^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115448513 - 2¹⁴ = 115432129 is a prime.

It is a super-2 number, since 2×115448513² = 26656718307822338, which contains 22 as substring.

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 115448513.

It is not an unprimeable number, because it can be changed into a prime (115448213) 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 in 7 ways as a sum of consecutive naturals, for example, 38981 + ... + 41837.

It is an arithmetic number, because the mean of its divisors is an integer number (15291729).

Almost surely, 2^115448513 is an apocalyptic number.

It is an amenable number.

115448513 is a deficient number, since it is larger than the sum of its proper divisors (6885319).

115448513 is a wasteful number, since it uses less digits than its factorization.

115448513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251.

The product of its digits is 9600, while the sum is 32.

The square root of 115448513 is about 10744.6969710644. The cubic root of 115448513 is about 486.9257940616.

The spelling of 115448513 in words is "one hundred fifteen million, four hundred forty-eight thousand, five hundred thirteen".