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1146 = 23191
BaseRepresentation
bin10001111010
31120110
4101322
514041
65150
73225
oct2172
91513
101146
11952
127b6
136a2
145bc
15516
hex47a

1146 has 8 divisors (see below), whose sum is σ = 2304. Its totient is φ = 380.

The previous prime is 1129. The next prime is 1151. The reversal of 1146 is 6411.

Adding to 1146 its reverse (6411), we get a palindrome (7557).

It can be divided in two parts, 114 and 6, that added together give a triangular number (120 = T15).

1146 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

1146 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10, base 14 and base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

1146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 101.

It is an arithmetic number, because the mean of its divisors is an integer number (288).

1146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152).

1146 is a wasteful number, since it uses less digits than its factorization.

1146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its digits is 24, while the sum is 12.

The square root of 1146 is about 33.8526217596. The cubic root of 1146 is about 10.4647342956.

The spelling of 1146 in words is "one thousand, one hundred forty-six".

Divisors: 1 2 3 6 191 382 573 1146