143448529 has 27 divisors (see below), whose sum is σ = 175800027. Its totient is φ = 116703888.

The previous prime is 143448511. The next prime is 143448589. The reversal of 143448529 is 925844341.

The square root of 143448529 is 11977.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 68227600 = 8673^2 + 8260^2 .

It is not a de Polignac number, because 143448529 - 2⁹ = 143448017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143448491 and 143448500.

It is not an unprimeable number, because it can be changed into a prime (143448589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2431302 + ... + 2431360.

Almost surely, 2^143448529 is an apocalyptic number.

143448529 is the 11977-th square number.

143448529 is the 5989-th centered octagonal number.

It is an amenable number.

143448529 is a deficient number, since it is larger than the sum of its proper divisors (32351498).

143448529 is an frugal number, since it uses more digits than its factorization.

143448529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 95 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The cubic root of 143448529 is about 523.4783196900.

The spelling of 143448529 in words is "one hundred forty-three million, four hundred forty-eight thousand, five hundred twenty-nine".