11446143 has 4 divisors (see below), whose sum is σ = 15261528. Its totient is φ = 7630760.

The previous prime is 11446139. The next prime is 11446159. The reversal of 11446143 is 34164411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34164411 = 3 ⋅11388137.

It is a cyclic number.

It is not a de Polignac number, because 11446143 - 2² = 11446139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907688 + ... + 1907693.

It is an arithmetic number, because the mean of its divisors is an integer number (3815382).

Almost surely, 2^11446143 is an apocalyptic number.

11446143 is a deficient number, since it is larger than the sum of its proper divisors (3815385).

11446143 is an equidigital number, since it uses as much as digits as its factorization.

11446143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815384.

The product of its digits is 1152, while the sum is 24.

The square root of 11446143 is about 3383.2148911945. The cubic root of 11446143 is about 225.3649583213.

The spelling of 11446143 in words is "eleven million, four hundred forty-six thousand, one hundred forty-three".