1145660112 has 100 divisors (see below), whose sum is σ = 3372299040. Its totient is φ = 375388992.

The previous prime is 1145660111. The next prime is 1145660129. The reversal of 1145660112 is 2110665411.

1145660112 is a `hidden beast` number, since 1 + 1 + 4 + 56 + 601 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145660111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68973 + ... + 83955.

Almost surely, 2^1145660112 is an apocalyptic number.

1145660112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145660112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686149520).

1145660112 is an abundant number, since it is smaller than the sum of its proper divisors (2226638928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145660112 is a wasteful number, since it uses less digits than its factorization.

1145660112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15062 (or 15047 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1145660112 is about 33847.6012739455. The cubic root of 1145660112 is about 1046.3699627351.

The spelling of 1145660112 in words is "one billion, one hundred forty-five million, six hundred sixty thousand, one hundred twelve".