143282513 has 12 divisors (see below), whose sum is σ = 157938564. Its totient is φ = 129888000.

The previous prime is 143282509. The next prime is 143282521. The reversal of 143282513 is 315282341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132894784 + 10387729 = 11528^2 + 3223^2 .

It is not a de Polignac number, because 143282513 - 2² = 143282509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143282563) 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, 47045 + ... + 49997.

It is an arithmetic number, because the mean of its divisors is an integer number (13161547).

Almost surely, 2^143282513 is an apocalyptic number.

It is an amenable number.

143282513 is a deficient number, since it is larger than the sum of its proper divisors (14656051).

143282513 is a wasteful number, since it uses less digits than its factorization.

143282513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3365 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 143282513 is about 11970.0673765856. The cubic root of 143282513 is about 523.2762975783.

The spelling of 143282513 in words is "one hundred forty-three million, two hundred eighty-two thousand, five hundred thirteen".