143013071 has 4 divisors (see below), whose sum is σ = 144429144. Its totient is φ = 141597000.

The previous prime is 143013001. The next prime is 143013083. The reversal of 143013071 is 170310341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143013071 - 2¹⁴ = 142996687 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 (143013001) 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 3 ways as a sum of consecutive naturals, for example, 707885 + ... + 708086.

It is an arithmetic number, because the mean of its divisors is an integer number (36107286).

Almost surely, 2^143013071 is an apocalyptic number.

143013071 is a deficient number, since it is larger than the sum of its proper divisors (1416073).

143013071 is a wasteful number, since it uses less digits than its factorization.

143013071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416072.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 143013071 is about 11958.8072565787. The cubic root of 143013071 is about 522.9480856649.

The spelling of 143013071 in words is "one hundred forty-three million, thirteen thousand, seventy-one".