1145636 has 12 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 554280.

The previous prime is 1145623. The next prime is 1145659. The reversal of 1145636 is 6365411.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4496 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (172480).

2^1145636 is an apocalyptic number.

It is an amenable number.

1145636 is a deficient number, since it is larger than the sum of its proper divisors (924124).

1145636 is a wasteful number, since it uses less digits than its factorization.

1145636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1145636 is about 1070.3438699782. The cubic root of 1145636 is about 104.6362621916.

It can be divided in two parts, 114563 and 6, that multiplied together give a triangular number (687378 = T₁₁₇₂).

The spelling of 1145636 in words is "one million, one hundred forty-five thousand, six hundred thirty-six".