140245556 has 48 divisors (see below), whose sum is σ = 277482240. Its totient is φ = 61470720.

The previous prime is 140245549. The next prime is 140245591. The reversal of 140245556 is 655542041.

It is a super-3 number, since 3×140245556³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150500 + ... + 151428.

It is an arithmetic number, because the mean of its divisors is an integer number (5780880).

Almost surely, 2^140245556 is an apocalyptic number.

It is an amenable number.

140245556 is a deficient number, since it is larger than the sum of its proper divisors (137236684).

140245556 is a wasteful number, since it uses less digits than its factorization.

140245556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 140245556 is about 11842.5316550136. The cubic root of 140245556 is about 519.5528157426.

Adding to 140245556 its reverse (655542041), we get a palindrome (795787597).

The spelling of 140245556 in words is "one hundred forty million, two hundred forty-five thousand, five hundred fifty-six".