143423271225 has 72 divisors (see below), whose sum is σ = 279500143832. Its totient is φ = 69880320000.

The previous prime is 143423271197. The next prime is 143423271227. The reversal of 143423271225 is 522172324341.

143423271225 is a `hidden beast` number, since 1 + 4 + 3 + 423 + 2 + 7 + 1 + 225 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 38750316201 + 104672955024 = 196851^2 + 323532^2 .

It is not a de Polignac number, because 143423271225 - 2⁵ = 143423271193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143423271225.

It is not an unprimeable number, because it can be changed into a prime (143423271227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30975 + ... + 536475.

Almost surely, 2^143423271225 is an apocalyptic number.

143423271225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143423271225 is a deficient number, since it is larger than the sum of its proper divisors (136076872607).

143423271225 is a wasteful number, since it uses less digits than its factorization.

143423271225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505627 (or 505619 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

Adding to 143423271225 its reverse (522172324341), we get a palindrome (665595595566).

The spelling of 143423271225 in words is "one hundred forty-three billion, four hundred twenty-three million, two hundred seventy-one thousand, two hundred twenty-five".