10215143 has 4 divisors (see below), whose sum is σ = 10263768. Its totient is φ = 10166520.

The previous prime is 10215119. The next prime is 10215157. The reversal of 10215143 is 34151201.

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 10215143 - 2²⁰ = 9166567 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 (10215173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23996 + ... + 24417.

It is an arithmetic number, because the mean of its divisors is an integer number (2565942).

Almost surely, 2^10215143 is an apocalyptic number.

10215143 is a deficient number, since it is larger than the sum of its proper divisors (48625).

10215143 is an equidigital number, since it uses as much as digits as its factorization.

10215143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48624.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10215143 is about 3196.1137338962. The cubic root of 10215143 is about 216.9775579020.

Adding to 10215143 its reverse (34151201), we get a palindrome (44366344).

The spelling of 10215143 in words is "ten million, two hundred fifteen thousand, one hundred forty-three".