140233844 has 6 divisors (see below), whose sum is σ = 245409234. Its totient is φ = 70116920.

The previous prime is 140233823. The next prime is 140233871. The reversal of 140233844 is 448332041.

140233844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138956944 + 1276900 = 11788^2 + 1130^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17529227 + ... + 17529234.

It is an arithmetic number, because the mean of its divisors is an integer number (40901539).

Almost surely, 2^140233844 is an apocalyptic number.

It is an amenable number.

140233844 is a deficient number, since it is larger than the sum of its proper divisors (105175390).

140233844 is a wasteful number, since it uses less digits than its factorization.

140233844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058465 (or 35058463 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 140233844 is about 11842.0371558275. The cubic root of 140233844 is about 519.5383526058.

Adding to 140233844 its reverse (448332041), we get a palindrome (588565885).

The spelling of 140233844 in words is "one hundred forty million, two hundred thirty-three thousand, eight hundred forty-four".