140203444 has 24 divisors (see below), whose sum is σ = 255322368. Its totient is φ = 67310880.

The previous prime is 140203387. The next prime is 140203493. The reversal of 140203444 is 444302041.

140203444 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140203444² = 39314011418922272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (10638432).

Almost surely, 2^140203444 is an apocalyptic number.

It is an amenable number.

140203444 is a deficient number, since it is larger than the sum of its proper divisors (115118924).

140203444 is a wasteful number, since it uses less digits than its factorization.

140203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175 (or 14173 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 140203444 is about 11840.7535233194. The cubic root of 140203444 is about 519.5008079188.

Adding to 140203444 its reverse (444302041), we get a palindrome (584505485).

The spelling of 140203444 in words is "one hundred forty million, two hundred three thousand, four hundred forty-four".