1143146 has 8 divisors (see below), whose sum is σ = 1789344. Its totient is φ = 546700.

The previous prime is 1143143. The next prime is 1143161. The reversal of 1143146 is 6413411.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12380 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (223668).

2^1143146 is an apocalyptic number.

1143146 is a deficient number, since it is larger than the sum of its proper divisors (646198).

1143146 is a wasteful number, since it uses less digits than its factorization.

1143146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24876.

The product of its digits is 288, while the sum is 20.

The square root of 1143146 is about 1069.1800596719. The cubic root of 1143146 is about 104.5603994445.

Adding to 1143146 its reverse (6413411), we get a palindrome (7556557).

The spelling of 1143146 in words is "one million, one hundred forty-three thousand, one hundred forty-six".