143148469 has 2 divisors, whose sum is σ = 143148470. Its totient is φ = 143148468.

The previous prime is 143148463. The next prime is 143148479. The reversal of 143148469 is 964841341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 3010225 = 11838^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 143148469 - 2¹⁷ = 143017397 is a prime.

It is a super-2 number, since 2×143148469² = 40982968354087922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143148463) 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 as a sum of consecutive naturals, namely, 71574234 + 71574235.

It is an arithmetic number, because the mean of its divisors is an integer number (71574235).

Almost surely, 2^143148469 is an apocalyptic number.

It is an amenable number.

143148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

143148469 is an equidigital number, since it uses as much as digits as its factorization.

143148469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 143148469 is about 11964.4669333824. The cubic root of 143148469 is about 523.1130677673.

The spelling of 143148469 in words is "one hundred forty-three million, one hundred forty-eight thousand, four hundred sixty-nine".