1145184 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 374400.

The previous prime is 1145173. The next prime is 1145189. The reversal of 1145184 is 4815411.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1145184² = 2622892787712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145189) 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, 7509 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1145184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1145184 is an abundant number, since it is smaller than the sum of its proper divisors (1919136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145184 is a wasteful number, since it uses less digits than its factorization.

1145184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 1145184 is about 1070.1327020515. The cubic root of 1145184 is about 104.6224992943.

The spelling of 1145184 in words is "one million, one hundred forty-five thousand, one hundred eighty-four".