143086849 has 2 divisors, whose sum is σ = 143086850. Its totient is φ = 143086848.

The previous prime is 143086837. The next prime is 143086883. The reversal of 143086849 is 948680341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 4601025 = 11768^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 143086849 - 2⁷ = 143086721 is a prime.

It is not a weakly prime, because it can be changed into another prime (143086829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71543424 + 71543425.

It is an arithmetic number, because the mean of its divisors is an integer number (71543425).

Almost surely, 2^143086849 is an apocalyptic number.

It is an amenable number.

143086849 is a deficient number, since it is larger than the sum of its proper divisors (1).

143086849 is an equidigital number, since it uses as much as digits as its factorization.

143086849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 143086849 is about 11961.8915310247. The cubic root of 143086849 is about 523.0379968665.

The spelling of 143086849 in words is "one hundred forty-three million, eighty-six thousand, eight hundred forty-nine".