140230144 has 40 divisors (see below), whose sum is σ = 296686368. Its totient is φ = 65986560.

The previous prime is 140230141. The next prime is 140230151. The reversal of 140230144 is 441032041.

140230144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140230141) 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, 649 + ... + 16759.

Almost surely, 2^140230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148343184).

140230144 is an abundant number, since it is smaller than the sum of its proper divisors (156456224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140230144 is an equidigital number, since it uses as much as digits as its factorization.

140230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146 (or 16130 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140230144 is about 11841.8809316764. The cubic root of 140230144 is about 519.5337833122.

Adding to 140230144 its reverse (441032041), we get a palindrome (581262185).

The spelling of 140230144 in words is "one hundred forty million, two hundred thirty thousand, one hundred forty-four".