1146544143 has 8 divisors (see below), whose sum is σ = 1548076800. Its totient is φ = 754687128.

The previous prime is 1146544129. The next prime is 1146544163. The reversal of 1146544143 is 3414456411.

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

It is not a de Polignac number, because 1146544143 - 2⁵ = 1146544111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146544163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418633 + ... + 2419106.

It is an arithmetic number, because the mean of its divisors is an integer number (193509600).

Almost surely, 2^1146544143 is an apocalyptic number.

1146544143 is a deficient number, since it is larger than the sum of its proper divisors (401532657).

1146544143 is an equidigital number, since it uses as much as digits as its factorization.

1146544143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837821.

The product of its digits is 23040, while the sum is 33.

The square root of 1146544143 is about 33860.6577461218. The cubic root of 1146544143 is about 1046.6390319672.

The spelling of 1146544143 in words is "one billion, one hundred forty-six million, five hundred forty-four thousand, one hundred forty-three".