140442230 has 16 divisors (see below), whose sum is σ = 253433664. Its totient is φ = 56035200.

The previous prime is 140442229. The next prime is 140442241. The reversal of 140442230 is 32244041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13502 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (15839604).

Almost surely, 2^140442230 is an apocalyptic number.

140442230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140442230 is a deficient number, since it is larger than the sum of its proper divisors (112991434).

140442230 is a wasteful number, since it uses less digits than its factorization.

140442230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35431.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140442230 is about 11850.8324602114. The cubic root of 140442230 is about 519.7955680626.

Adding to 140442230 its reverse (32244041), we get a palindrome (172686271).

It can be divided in two parts, 1404 and 42230, that added together give a palindrome (43634).

The spelling of 140442230 in words is "one hundred forty million, four hundred forty-two thousand, two hundred thirty".