115131545 has 8 divisors (see below), whose sum is σ = 145429440. Its totient is φ = 87257520.

The previous prime is 115131521. The next prime is 115131559. The reversal of 115131545 is 545131511.

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

It is not a de Polignac number, because 115131545 - 2⁶ = 115131481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605861 + ... + 606050.

It is an arithmetic number, because the mean of its divisors is an integer number (18178680).

Almost surely, 2^115131545 is an apocalyptic number.

It is an amenable number.

115131545 is a deficient number, since it is larger than the sum of its proper divisors (30297895).

115131545 is a wasteful number, since it uses less digits than its factorization.

115131545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211935.

The product of its digits is 1500, while the sum is 26.

The square root of 115131545 is about 10729.9368590873. The cubic root of 115131545 is about 486.4797615822.

The spelling of 115131545 in words is "one hundred fifteen million, one hundred thirty-one thousand, five hundred forty-five".