143876849 has 2 divisors, whose sum is σ = 143876850. Its totient is φ = 143876848.

The previous prime is 143876833. The next prime is 143876861. The reversal of 143876849 is 948678341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88642225 + 55234624 = 9415^2 + 7432^2 .

It is a cyclic number.

It is not a de Polignac number, because 143876849 - 2⁴ = 143876833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 143876797 and 143876806.

It is not a weakly prime, because it can be changed into another prime (143876809) 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, 71938424 + 71938425.

It is an arithmetic number, because the mean of its divisors is an integer number (71938425).

Almost surely, 2^143876849 is an apocalyptic number.

It is an amenable number.

143876849 is a deficient number, since it is larger than the sum of its proper divisors (1).

143876849 is an equidigital number, since it uses as much as digits as its factorization.

143876849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 143876849 is about 11994.8676107742. The cubic root of 143876849 is about 523.9988163542.

It can be divided in two parts, 1438 and 76849, that added together give a palindrome (78287).

The spelling of 143876849 in words is "one hundred forty-three million, eight hundred seventy-six thousand, eight hundred forty-nine".