1143733 has 4 divisors (see below), whose sum is σ = 1148140. Its totient is φ = 1139328.

The previous prime is 1143719. The next prime is 1143749. The reversal of 1143733 is 3373411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400689 + 743044 = 633^2 + 862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143763) 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, 1788 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (287035).

2^1143733 is an apocalyptic number.

It is an amenable number.

1143733 is a deficient number, since it is larger than the sum of its proper divisors (4407).

1143733 is an equidigital number, since it uses as much as digits as its factorization.

1143733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406.

The product of its digits is 756, while the sum is 22.

The square root of 1143733 is about 1069.4545338629. The cubic root of 1143733 is about 104.5782934703.

The spelling of 1143733 in words is "one million, one hundred forty-three thousand, seven hundred thirty-three".