140445608 has 16 divisors (see below), whose sum is σ = 272416500. Its totient is φ = 67801216.

The previous prime is 140445589. The next prime is 140445629. The reversal of 140445608 is 806544041.

It can be written as a sum of positive squares in 2 ways, for example, as 136843204 + 3602404 = 11698^2 + 1898^2 .

It is an unprimeable number.

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, 302453 + ... + 302916.

Almost surely, 2^140445608 is an apocalyptic number.

It is an amenable number.

140445608 is a deficient number, since it is larger than the sum of its proper divisors (131970892).

140445608 is a wasteful number, since it uses less digits than its factorization.

140445608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605404 (or 605400 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 140445608 is about 11850.9749809879. The cubic root of 140445608 is about 519.7997355065.

Adding to 140445608 its reverse (806544041), we get a palindrome (946989649).

The spelling of 140445608 in words is "one hundred forty million, four hundred forty-five thousand, six hundred eight".