1145133 has 24 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 675360.

The previous prime is 1145129. The next prime is 1145141. The reversal of 1145133 is 3315411.

Added to its reverse (3315411) it gives a square (4460544 = 2112²).

It is not a de Polignac number, because 1145133 - 2² = 1145129 is a prime.

It is a super-2 number, since 2×1145133² = 2622659175378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145143) 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 23 ways as a sum of consecutive naturals, for example, 4123 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1145133 is an apocalyptic number.

It is an amenable number.

1145133 is a deficient number, since it is larger than the sum of its proper divisors (708147).

1145133 is a wasteful number, since it uses less digits than its factorization.

1145133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 326 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1145133 is about 1070.1088729657. The cubic root of 1145133 is about 104.6209461737.

Adding to 1145133 its reverse (3315411), we get a square (4460544 = 2112²).

The spelling of 1145133 in words is "one million, one hundred forty-five thousand, one hundred thirty-three".