140543343 has 10 divisors (see below), whose sum is σ = 209947584. Its totient is φ = 93695508.

The previous prime is 140543341. The next prime is 140543357. The reversal of 140543343 is 343345041.

It is not a de Polignac number, because 140543343 - 2¹ = 140543341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543341) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 867471 + ... + 867632.

Almost surely, 2^140543343 is an apocalyptic number.

140543343 is a deficient number, since it is larger than the sum of its proper divisors (69404241).

140543343 is an equidigital number, since it uses as much as digits as its factorization.

140543343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735115 (or 1735106 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 140543343 is about 11855.0977642531. The cubic root of 140543343 is about 519.9202824049.

Adding to 140543343 its reverse (343345041), we get a palindrome (483888384).

The spelling of 140543343 in words is "one hundred forty million, five hundred forty-three thousand, three hundred forty-three".