1145656 has 16 divisors (see below), whose sum is σ = 2179440. Its totient is φ = 564480.

The previous prime is 1145623. The next prime is 1145659. The reversal of 1145656 is 6565411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145659) 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 3 ways as a sum of consecutive naturals, for example, 441 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (136215).

2^1145656 is an apocalyptic number.

It is an amenable number.

1145656 is a deficient number, since it is larger than the sum of its proper divisors (1033784).

1145656 is a wasteful number, since it uses less digits than its factorization.

1145656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2090 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1145656 is about 1070.3532127293. The cubic root of 1145656 is about 104.6368710858.

The spelling of 1145656 in words is "one million, one hundred forty-five thousand, six hundred fifty-six".