1145224 has 32 divisors (see below), whose sum is σ = 2277720. Its totient is φ = 539136.

The previous prime is 1145213. The next prime is 1145227. The reversal of 1145224 is 4225411.

It can be written as a sum of positive squares in 4 ways, for example, as 1144900 + 324 = 1070^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (1145227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15652 + ... + 15724.

2^1145224 is an apocalyptic number.

It is an amenable number.

1145224 is a deficient number, since it is larger than the sum of its proper divisors (1132496).

1145224 is a wasteful number, since it uses less digits than its factorization.

1145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 165 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1145224 is about 1070.1513911592. The cubic root of 1145224 is about 104.6237173959.

It can be divided in two parts, 11452 and 24, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1145224 in words is "one million, one hundred forty-five thousand, two hundred twenty-four".