1145196 has 36 divisors (see below), whose sum is σ = 3118752. Its totient is φ = 352224.

The previous prime is 1145191. The next prime is 1145203. The reversal of 1145196 is 6915411.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1145196² = 2622947756832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145191) 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 11 ways as a sum of consecutive naturals, for example, 756 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (86632).

2^1145196 is an apocalyptic number.

It is an amenable number.

1145196 is an abundant number, since it is smaller than the sum of its proper divisors (1973556).

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

1145196 is a wasteful number, since it uses less digits than its factorization.

1145196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470 (or 2465 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1145196 is about 1070.1383088181. The cubic root of 1145196 is about 104.6228647278.

The spelling of 1145196 in words is "one million, one hundred forty-five thousand, one hundred ninety-six".