140502243 has 8 divisors (see below), whose sum is σ = 214098688. Its totient is φ = 80286984.

The previous prime is 140502217. The next prime is 140502247. The reversal of 140502243 is 342205041.

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

It is not a de Polignac number, because 140502243 - 2⁶ = 140502179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6690583 = 140502243 / (1 + 4 + 0 + 5 + 0 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140502247) 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, 3345271 + ... + 3345312.

It is an arithmetic number, because the mean of its divisors is an integer number (26762336).

Almost surely, 2^140502243 is an apocalyptic number.

140502243 is a deficient number, since it is larger than the sum of its proper divisors (73596445).

140502243 is an equidigital number, since it uses as much as digits as its factorization.

140502243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690593.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140502243 is about 11853.3642059965. The cubic root of 140502243 is about 519.8695962453.

Adding to 140502243 its reverse (342205041), we get a palindrome (482707284).

The spelling of 140502243 in words is "one hundred forty million, five hundred two thousand, two hundred forty-three".