1145612 has 12 divisors (see below), whose sum is σ = 2159136. Its totient is φ = 528720.

The previous prime is 1145611. The next prime is 1145621. The reversal of 1145612 is 2165411.

It is not an unprimeable number, because it can be changed into a prime (1145611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10964 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^1145612 is an apocalyptic number.

It is an amenable number.

1145612 is a deficient number, since it is larger than the sum of its proper divisors (1013524).

1145612 is a wasteful number, since it uses less digits than its factorization.

1145612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048 (or 22046 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1145612 is about 1070.3326585693. The cubic root of 1145612 is about 104.6355315093.

The spelling of 1145612 in words is "one million, one hundred forty-five thousand, six hundred twelve".