140343255 has 48 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 68511744.

The previous prime is 140343239. The next prime is 140343323. The reversal of 140343255 is 552343041.

140343255 is a `hidden beast` number, since 1 + 403 + 4 + 3 + 255 = 666.

It is not a de Polignac number, because 140343255 - 2⁴ = 140343239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73351 + ... + 75239.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^140343255 is an apocalyptic number.

140343255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140343255 is a deficient number, since it is larger than the sum of its proper divisors (123833385).

140343255 is a wasteful number, since it uses less digits than its factorization.

140343255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 140343255 is about 11846.6558572451. The cubic root of 140343255 is about 519.6734327747.

Adding to 140343255 its reverse (552343041), we get a palindrome (692686296).

The spelling of 140343255 in words is "one hundred forty million, three hundred forty-three thousand, two hundred fifty-five".