113987545 has 16 divisors (see below), whose sum is σ = 161717760. Its totient is φ = 75466944.

The previous prime is 113987521. The next prime is 113987557. The reversal of 113987545 is 545789311.

It is not a de Polignac number, because 113987545 - 2¹⁹ = 113463257 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 55137 + ... + 57166.

It is an arithmetic number, because the mean of its divisors is an integer number (10107360).

Almost surely, 2^113987545 is an apocalyptic number.

It is an amenable number.

113987545 is a deficient number, since it is larger than the sum of its proper divisors (47730215).

113987545 is a wasteful number, since it uses less digits than its factorization.

113987545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112344.

The product of its digits is 151200, while the sum is 43.

The square root of 113987545 is about 10676.4949772854. The cubic root of 113987545 is about 484.8630994910.

The spelling of 113987545 in words is "one hundred thirteen million, nine hundred eighty-seven thousand, five hundred forty-five".