10143309 has 12 divisors (see below), whose sum is σ = 14866208. Its totient is φ = 6147240.

The previous prime is 10143281. The next prime is 10143319. The reversal of 10143309 is 90334101.

10143309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10143309 - 2⁸ = 10143053 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 (10143319) 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, 13609 + ... + 14334.

Almost surely, 2^10143309 is an apocalyptic number.

It is an amenable number.

10143309 is a deficient number, since it is larger than the sum of its proper divisors (4722899).

10143309 is a wasteful number, since it uses less digits than its factorization.

10143309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27968 (or 27957 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 10143309 is about 3184.8561976956. The cubic root of 10143309 is about 216.4677577517.

The spelling of 10143309 in words is "ten million, one hundred forty-three thousand, three hundred nine".