140300144 has 40 divisors (see below), whose sum is σ = 285465360. Its totient is φ = 66705408.

The previous prime is 140300143. The next prime is 140300191. The reversal of 140300144 is 441003041.

140300144 is digitally balanced in base 2, 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 (140300143) 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, 28832 + ... + 33344.

It is an arithmetic number, because the mean of its divisors is an integer number (7136634).

Almost surely, 2^140300144 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 140300144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142732680).

140300144 is an abundant number, since it is smaller than the sum of its proper divisors (145165216).

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

140300144 is a wasteful number, since it uses less digits than its factorization.

140300144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140300144 is about 11844.8361744686. The cubic root of 140300144 is about 519.6202157872.

Adding to 140300144 its reverse (441003041), we get a palindrome (581303185).

The spelling of 140300144 in words is "one hundred forty million, three hundred thousand, one hundred forty-four".