10140543 has 24 divisors (see below), whose sum is σ = 17061408. Its totient is φ = 5683392.

The previous prime is 10140527. The next prime is 10140583. The reversal of 10140543 is 34504101.

It is a happy number.

It is not a de Polignac number, because 10140543 - 2⁴ = 10140527 is a prime.

It is a super-2 number, since 2×10140543² = 205661224669698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140523) 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 23 ways as a sum of consecutive naturals, for example, 1821 + ... + 4857.

It is an arithmetic number, because the mean of its divisors is an integer number (710892).

Almost surely, 2^10140543 is an apocalyptic number.

10140543 is a deficient number, since it is larger than the sum of its proper divisors (6920865).

10140543 is a wasteful number, since it uses less digits than its factorization.

10140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10140543 is about 3184.4219255620. The cubic root of 10140543 is about 216.4480796154.

Adding to 10140543 its reverse (34504101), we get a palindrome (44644644).

The spelling of 10140543 in words is "ten million, one hundred forty thousand, five hundred forty-three".