140230543 has 4 divisors (see below), whose sum is σ = 140277528. Its totient is φ = 140183560.

The previous prime is 140230523. The next prime is 140230549. The reversal of 140230543 is 345032041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140230543 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 (140230549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18688 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (35069382).

Almost surely, 2^140230543 is an apocalyptic number.

140230543 is a deficient number, since it is larger than the sum of its proper divisors (46985).

140230543 is an equidigital number, since it uses as much as digits as its factorization.

140230543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46984.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140230543 is about 11841.8977786502. The cubic root of 140230543 is about 519.5342760588.

Adding to 140230543 its reverse (345032041), we get a palindrome (485262584).

The spelling of 140230543 in words is "one hundred forty million, two hundred thirty thousand, five hundred forty-three".