140543230 has 16 divisors (see below), whose sum is σ = 253489824. Its totient is φ = 56103520.

The previous prime is 140543213. The next prime is 140543237. The reversal of 140543230 is 32345041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8941 + ... + 19000.

It is an arithmetic number, because the mean of its divisors is an integer number (15843114).

Almost surely, 2^140543230 is an apocalyptic number.

140543230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140543230 is a deficient number, since it is larger than the sum of its proper divisors (112946594).

140543230 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 140543230 = (323410054)₉.

140543230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28451.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140543230 is about 11855.0929983699. The cubic root of 140543230 is about 519.9201430624.

Adding to 140543230 its reverse (32345041), we get a palindrome (172888271).

The spelling of 140543230 in words is "one hundred forty million, five hundred forty-three thousand, two hundred thirty".