140444322 has 16 divisors (see below), whose sum is σ = 289949952. Its totient is φ = 45304560.

The previous prime is 140444309. The next prime is 140444357. The reversal of 140444322 is 223444041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140444292 and 140444301.

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 7 ways as a sum of consecutive naturals, for example, 377353 + ... + 377724.

It is an arithmetic number, because the mean of its divisors is an integer number (18121872).

Almost surely, 2^140444322 is an apocalyptic number.

140444322 is an abundant number, since it is smaller than the sum of its proper divisors (149505630).

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

140444322 is a wasteful number, since it uses less digits than its factorization.

140444322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755113.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 140444322 is about 11850.9207237244. The cubic root of 140444322 is about 519.7981489742.

Adding to 140444322 its reverse (223444041), we get a palindrome (363888363).

The spelling of 140444322 in words is "one hundred forty million, four hundred forty-four thousand, three hundred twenty-two".