1145812 has 6 divisors (see below), whose sum is σ = 2005178. Its totient is φ = 572904.

The previous prime is 1145803. The next prime is 1145831. The reversal of 1145812 is 2185411.

1145812 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 197136 = 974^2 + 444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143223 + ... + 143230.

2^1145812 is an apocalyptic number.

It is an amenable number.

1145812 is a deficient number, since it is larger than the sum of its proper divisors (859366).

1145812 is a wasteful number, since it uses less digits than its factorization.

1145812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286457 (or 286455 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The square root of 1145812 is about 1070.4260833892. The cubic root of 1145812 is about 104.6416202167.

The spelling of 1145812 in words is "one million, one hundred forty-five thousand, eight hundred twelve".