146886143 has 2 divisors, whose sum is σ = 146886144. Its totient is φ = 146886142.

The previous prime is 146886133. The next prime is 146886163. The reversal of 146886143 is 341688641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146886143 - 2⁴ = 146886127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146886143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146886133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73443071 + 73443072.

It is an arithmetic number, because the mean of its divisors is an integer number (73443072).

Almost surely, 2^146886143 is an apocalyptic number.

146886143 is a deficient number, since it is larger than the sum of its proper divisors (1).

146886143 is an equidigital number, since it uses as much as digits as its factorization.

146886143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 146886143 is about 12119.6593598995. The cubic root of 146886143 is about 527.6269161459.

The spelling of 146886143 in words is "one hundred forty-six million, eight hundred eighty-six thousand, one hundred forty-three".