140543550 has 72 divisors (see below), whose sum is σ = 431545296. Its totient is φ = 32123520.

The previous prime is 140543527. The next prime is 140543561. The reversal of 140543550 is 55345041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19159 + ... + 25458.

Almost surely, 2^140543550 is an apocalyptic number.

140543550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140543550 is an abundant number, since it is smaller than the sum of its proper divisors (291001746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140543550 is a wasteful number, since it uses less digits than its factorization.

140543550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44642 (or 44634 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140543550 is about 11855.1064946714. The cubic root of 140543550 is about 519.9205376606.

Adding to 140543550 its reverse (55345041), we get a palindrome (195888591).

The spelling of 140543550 in words is "one hundred forty million, five hundred forty-three thousand, five hundred fifty".