1116845145 has 64 divisors (see below), whose sum is σ = 2153088000. Its totient is φ = 546013440.

The previous prime is 1116845143. The next prime is 1116845183. The reversal of 1116845145 is 5415486111.

1116845145 is a `hidden beast` number, since 1 + 1 + 168 + 451 + 45 = 666.

It is not a de Polignac number, because 1116845145 - 2¹ = 1116845143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116845143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259360 + ... + 263630.

It is an arithmetic number, because the mean of its divisors is an integer number (33642000).

Almost surely, 2^1116845145 is an apocalyptic number.

1116845145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1116845145 is a deficient number, since it is larger than the sum of its proper divisors (1036242855).

1116845145 is a wasteful number, since it uses less digits than its factorization.

1116845145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447 (or 4441 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 1116845145 is about 33419.2331599634. The cubic root of 1116845145 is about 1037.5228101628.

The spelling of 1116845145 in words is "one billion, one hundred sixteen million, eight hundred forty-five thousand, one hundred forty-five".