140741543 has 4 divisors (see below), whose sum is σ = 141059688. Its totient is φ = 140423400.

The previous prime is 140741509. The next prime is 140741633. The reversal of 140741543 is 345147041.

It is a happy number.

140741543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140741543 - 2⁸ = 140741287 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 (140741243) 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, 158408 + ... + 159293.

It is an arithmetic number, because the mean of its divisors is an integer number (35264922).

Almost surely, 2^140741543 is an apocalyptic number.

140741543 is a deficient number, since it is larger than the sum of its proper divisors (318145).

140741543 is an equidigital number, since it uses as much as digits as its factorization.

140741543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318144.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140741543 is about 11863.4540922954. The cubic root of 140741543 is about 520.1645719239.

Adding to 140741543 its reverse (345147041), we get a palindrome (485888584).

The spelling of 140741543 in words is "one hundred forty million, seven hundred forty-one thousand, five hundred forty-three".