140303144 has 16 divisors (see below), whose sum is σ = 276914400. Its totient is φ = 66459312.

The previous prime is 140303143. The next prime is 140303167. The reversal of 140303144 is 441303041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140303143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461372 + ... + 461675.

It is an arithmetic number, because the mean of its divisors is an integer number (17307150).

Almost surely, 2^140303144 is an apocalyptic number.

It is an amenable number.

140303144 is a deficient number, since it is larger than the sum of its proper divisors (136611256).

140303144 is a wasteful number, since it uses less digits than its factorization.

140303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923072 (or 923068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140303144 is about 11844.9628112544. The cubic root of 140303144 is about 519.6239193936.

Adding to 140303144 its reverse (441303041), we get a palindrome (581606185).

The spelling of 140303144 in words is "one hundred forty million, three hundred three thousand, one hundred forty-four".