115445503 has 4 divisors (see below), whose sum is σ = 117071568. Its totient is φ = 113819440.

The previous prime is 115445479. The next prime is 115445527. The reversal of 115445503 is 305544511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305544511 = 823 ⋅371257.

It is an interprime number because it is at equal distance from previous prime (115445479) and next prime (115445527).

It is a cyclic number.

It is not a de Polignac number, because 115445503 - 2²¹ = 113348351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812926 + ... + 813067.

It is an arithmetic number, because the mean of its divisors is an integer number (29267892).

Almost surely, 2^115445503 is an apocalyptic number.

115445503 is a deficient number, since it is larger than the sum of its proper divisors (1626065).

115445503 is an equidigital number, since it uses as much as digits as its factorization.

115445503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626064.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 115445503 is about 10744.5569010546. The cubic root of 115445503 is about 486.9215622780.

The spelling of 115445503 in words is "one hundred fifteen million, four hundred forty-five thousand, five hundred three".