115745761 has 4 divisors (see below), whose sum is σ = 115999492. Its totient is φ = 115492032.

The previous prime is 115745743. The next prime is 115745771. The reversal of 115745761 is 167547511.

It is a happy number.

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 95179536 + 20566225 = 9756^2 + 4535^2 .

It is a cyclic number.

It is not a de Polignac number, because 115745761 - 2⁷ = 115745633 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 115745761.

It is not an unprimeable number, because it can be changed into a prime (115745771) 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, 126180 + ... + 127093.

It is an arithmetic number, because the mean of its divisors is an integer number (28999873).

Almost surely, 2^115745761 is an apocalyptic number.

It is an amenable number.

115745761 is a deficient number, since it is larger than the sum of its proper divisors (253731).

115745761 is an equidigital number, since it uses as much as digits as its factorization.

115745761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253730.

The product of its digits is 29400, while the sum is 37.

The square root of 115745761 is about 10758.5203908344. The cubic root of 115745761 is about 487.3433356773.

The spelling of 115745761 in words is "one hundred fifteen million, seven hundred forty-five thousand, seven hundred sixty-one".