143251426249 has 2 divisors, whose sum is σ = 143251426250. Its totient is φ = 143251426248.

The previous prime is 143251426207. The next prime is 143251426261. The reversal of 143251426249 is 942624152341.

143251426249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139526155024 + 3725271225 = 373532^2 + 61035^2 .

It is an emirp because it is prime and its reverse (942624152341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143251426249 is a prime.

It is a super-2 number, since 2×143251426249² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143251426949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71625713124 + 71625713125.

It is an arithmetic number, because the mean of its divisors is an integer number (71625713125).

Almost surely, 2^143251426249 is an apocalyptic number.

It is an amenable number.

143251426249 is a deficient number, since it is larger than the sum of its proper divisors (1).

143251426249 is an equidigital number, since it uses as much as digits as its factorization.

143251426249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The spelling of 143251426249 in words is "one hundred forty-three billion, two hundred fifty-one million, four hundred twenty-six thousand, two hundred forty-nine".