143125717 has 12 divisors (see below), whose sum is σ = 166710636. Its totient is φ = 122519040.

The previous prime is 143125673. The next prime is 143125733. The reversal of 143125717 is 717521341.

It can be written as a sum of positive squares in 2 ways, for example, as 116510436 + 26615281 = 10794^2 + 5159^2 .

It is not a de Polignac number, because 143125717 - 2⁷ = 143125589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143125747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50613 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (13892553).

Almost surely, 2^143125717 is an apocalyptic number.

It is an amenable number.

143125717 is a deficient number, since it is larger than the sum of its proper divisors (23584919).

143125717 is a wasteful number, since it uses less digits than its factorization.

143125717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828 (or 3821 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 143125717 is about 11963.5160801497. The cubic root of 143125717 is about 523.0853517900.

The spelling of 143125717 in words is "one hundred forty-three million, one hundred twenty-five thousand, seven hundred seventeen".