143316073 has 4 divisors (see below), whose sum is σ = 143369028. Its totient is φ = 143263120.

The previous prime is 143316067. The next prime is 143316091. The reversal of 143316073 is 370613341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370613341 = 7 ⋅52944763.

It can be written as a sum of positive squares in 2 ways, for example, as 35426304 + 107889769 = 5952^2 + 10387^2 .

It is a cyclic number.

It is not a de Polignac number, because 143316073 - 2⁹ = 143315561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143316773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22186 + ... + 27907.

It is an arithmetic number, because the mean of its divisors is an integer number (35842257).

Almost surely, 2^143316073 is an apocalyptic number.

It is an amenable number.

143316073 is a deficient number, since it is larger than the sum of its proper divisors (52955).

143316073 is an equidigital number, since it uses as much as digits as its factorization.

143316073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52954.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 143316073 is about 11971.4691245477. The cubic root of 143316073 is about 523.3171487640.

The spelling of 143316073 in words is "one hundred forty-three million, three hundred sixteen thousand, seventy-three".