115321554 has 36 divisors (see below), whose sum is σ = 253425354. Its totient is φ = 37896192.

The previous prime is 115321541. The next prime is 115321567. The reversal of 115321554 is 455123511.

It is an interprime number because it is at equal distance from previous prime (115321541) and next prime (115321567).

It can be written as a sum of positive squares in 3 ways, for example, as 108680625 + 6640929 = 10425^2 + 2577^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 448594 + ... + 448850.

Almost surely, 2^115321554 is an apocalyptic number.

115321554 is an abundant number, since it is smaller than the sum of its proper divisors (138103800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115321554 is an equidigital number, since it uses as much as digits as its factorization.

115321554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 359 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 115321554 is about 10738.7873617090. The cubic root of 115321554 is about 486.7472374474.

The spelling of 115321554 in words is "one hundred fifteen million, three hundred twenty-one thousand, five hundred fifty-four".