143124052521449 has 2 divisors, whose sum is σ = 143124052521450. Its totient is φ = 143124052521448.

The previous prime is 143124052521403. The next prime is 143124052521467. The reversal of 143124052521449 is 944125250421341.

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., 87679945155049 + 55444107366400 = 9363757^2 + 7446080^2 .

It is a cyclic number.

It is not a de Polignac number, because 143124052521449 - 2³⁶ = 143055333044713 is a prime.

It is not a weakly prime, because it can be changed into another prime (143124052526449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71562026260724 + 71562026260725.

It is an arithmetic number, because the mean of its divisors is an integer number (71562026260725).

Almost surely, 2^{143124052521449} is an apocalyptic number.

It is an amenable number.

143124052521449 is a deficient number, since it is larger than the sum of its proper divisors (1).

143124052521449 is an equidigital number, since it uses as much as digits as its factorization.

143124052521449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 143124052521449 in words is "one hundred forty-three trillion, one hundred twenty-four billion, fifty-two million, five hundred twenty-one thousand, four hundred forty-nine".