1158443 has 8 divisors (see below), whose sum is σ = 1361136. Its totient is φ = 972000.

The previous prime is 1158427. The next prime is 1158457. The reversal of 1158443 is 3448511.

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

It is a cyclic number.

It is not a de Polignac number, because 1158443 - 2⁴ = 1158427 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1158473) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3908 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (170142).

2^1158443 is an apocalyptic number.

1158443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1158443 is a deficient number, since it is larger than the sum of its proper divisors (202693).

1158443 is a wasteful number, since it uses less digits than its factorization.

1158443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125.

The product of its digits is 1920, while the sum is 26.

The square root of 1158443 is about 1076.3098996107. The cubic root of 1158443 is about 105.0247258474.

It can be divided in two parts, 115 and 8443, that added together give a palindrome (8558).

The spelling of 1158443 in words is "one million, one hundred fifty-eight thousand, four hundred forty-three".