10291143 has 32 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 6120576.

The previous prime is 10291139. The next prime is 10291157. The reversal of 10291143 is 34119201.

10291143 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 10291143 - 2² = 10291139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10291243) 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 31 ways as a sum of consecutive naturals, for example, 73968 + ... + 74106.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 2^10291143 is an apocalyptic number.

10291143 is a deficient number, since it is larger than the sum of its proper divisors (5030457).

10291143 is a wasteful number, since it uses less digits than its factorization.

10291143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10291143 is about 3207.9811408423. The cubic root of 10291143 is about 217.5143285580.

The spelling of 10291143 in words is "ten million, two hundred ninety-one thousand, one hundred forty-three".