140430243 has 8 divisors (see below), whose sum is σ = 187463248. Its totient is φ = 93508704.

The previous prime is 140430229. The next prime is 140430253. The reversal of 140430243 is 342034041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140430243 - 2⁵ = 140430211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24880 + ... + 29997.

It is an arithmetic number, because the mean of its divisors is an integer number (23432906).

Almost surely, 2^140430243 is an apocalyptic number.

140430243 is a deficient number, since it is larger than the sum of its proper divisors (47033005).

140430243 is an equidigital number, since it uses as much as digits as its factorization.

140430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55733.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140430243 is about 11850.3267043571. The cubic root of 140430243 is about 519.7807791425.

Adding to 140430243 its reverse (342034041), we get a palindrome (482464284).

The spelling of 140430243 in words is "one hundred forty million, four hundred thirty thousand, two hundred forty-three".