143425173457 has 2 divisors, whose sum is σ = 143425173458. Its totient is φ = 143425173456.

The previous prime is 143425173449. The next prime is 143425173481. The reversal of 143425173457 is 754371524341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125598651201 + 17826522256 = 354399^2 + 133516^2 .

It is a cyclic number.

It is not a de Polignac number, because 143425173457 - 2³ = 143425173449 is a prime.

It is not a weakly prime, because it can be changed into another prime (143425171457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71712586728 + 71712586729.

It is an arithmetic number, because the mean of its divisors is an integer number (71712586729).

Almost surely, 2^143425173457 is an apocalyptic number.

It is an amenable number.

143425173457 is a deficient number, since it is larger than the sum of its proper divisors (1).

143425173457 is an equidigital number, since it uses as much as digits as its factorization.

143425173457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 46.

Adding to 143425173457 its reverse (754371524341), we get a palindrome (897796697798).

The spelling of 143425173457 in words is "one hundred forty-three billion, four hundred twenty-five million, one hundred seventy-three thousand, four hundred fifty-seven".