1146143 has 2 divisors, whose sum is σ = 1146144. Its totient is φ = 1146142.

The previous prime is 1146133. The next prime is 1146179. The reversal of 1146143 is 3416411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146133) 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 as a sum of consecutive naturals, namely, 573071 + 573072.

It is an arithmetic number, because the mean of its divisors is an integer number (573072).

2^1146143 is an apocalyptic number.

1146143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146143 is an equidigital number, since it uses as much as digits as its factorization.

1146143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1146143 is about 1070.5806835545. The cubic root of 1146143 is about 104.6516954709.

It can be divided in two parts, 1146 and 143, that multiplied together give a triangular number (163878 = T₅₇₂).

The spelling of 1146143 in words is "one million, one hundred forty-six thousand, one hundred forty-three".