1145512 has 24 divisors (see below), whose sum is σ = 2234250. Its totient is φ = 550560.

The previous prime is 1145509. The next prime is 1145533. The reversal of 1145512 is 2155411.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 34596 = 1054^2 + 186^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145512.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7614 + ... + 7762.

2^1145512 is an apocalyptic number.

It is an amenable number.

1145512 is a deficient number, since it is larger than the sum of its proper divisors (1088738).

1145512 is a wasteful number, since it uses less digits than its factorization.

1145512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 182 counting only the distinct ones).

The product of its digits is 200, while the sum is 19.

The square root of 1145512 is about 1070.2859431012. The cubic root of 1145512 is about 104.6324868899.

The spelling of 1145512 in words is "one million, one hundred forty-five thousand, five hundred twelve".