115251445 has 4 divisors (see below), whose sum is σ = 138301740. Its totient is φ = 92201152.

The previous prime is 115251431. The next prime is 115251491. The reversal of 115251445 is 544152511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86285521 + 28965924 = 9289^2 + 5382^2 .

It is a cyclic number.

It is not a de Polignac number, because 115251445 - 2¹⁹ = 114727157 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 11525140 + ... + 11525149.

It is an arithmetic number, because the mean of its divisors is an integer number (34575435).

Almost surely, 2^115251445 is an apocalyptic number.

It is an amenable number.

115251445 is a deficient number, since it is larger than the sum of its proper divisors (23050295).

115251445 is an equidigital number, since it uses as much as digits as its factorization.

115251445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23050294.

The product of its digits is 4000, while the sum is 28.

The square root of 115251445 is about 10735.5225769405. The cubic root of 115251445 is about 486.6485791635.

The spelling of 115251445 in words is "one hundred fifteen million, two hundred fifty-one thousand, four hundred forty-five".