1143358 has 4 divisors (see below), whose sum is σ = 1715040. Its totient is φ = 571678.

The previous prime is 1143347. The next prime is 1143371. The reversal of 1143358 is 8533411.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 285838 + ... + 285841.

It is an arithmetic number, because the mean of its divisors is an integer number (428760).

2^1143358 is an apocalyptic number.

1143358 is a deficient number, since it is larger than the sum of its proper divisors (571682).

1143358 is an equidigital number, since it uses as much as digits as its factorization.

1143358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571681.

The product of its digits is 1440, while the sum is 25.

The square root of 1143358 is about 1069.2791964683. The cubic root of 1143358 is about 104.5668627293.

Adding to 1143358 its reverse (8533411), we get a palindrome (9676769).

The spelling of 1143358 in words is "one million, one hundred forty-three thousand, three hundred fifty-eight".