143135556649 has 2 divisors, whose sum is σ = 143135556650. Its totient is φ = 143135556648.

The previous prime is 143135556611. The next prime is 143135556653. The reversal of 143135556649 is 946655531341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127502555625 + 15633001024 = 357075^2 + 125032^2 .

It is a cyclic number.

It is not a de Polignac number, because 143135556649 - 2⁷ = 143135556521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143135556596 and 143135556605.

It is not a weakly prime, because it can be changed into another prime (143135556689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71567778324 + 71567778325.

It is an arithmetic number, because the mean of its divisors is an integer number (71567778325).

Almost surely, 2^143135556649 is an apocalyptic number.

It is an amenable number.

143135556649 is a deficient number, since it is larger than the sum of its proper divisors (1).

143135556649 is an equidigital number, since it uses as much as digits as its factorization.

143135556649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832000, while the sum is 52.

The spelling of 143135556649 in words is "one hundred forty-three billion, one hundred thirty-five million, five hundred fifty-six thousand, six hundred forty-nine".