140445422 has 16 divisors (see below), whose sum is σ = 228222960. Its totient is φ = 64818936.

The previous prime is 140445391. The next prime is 140445433. The reversal of 140445422 is 224544041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 140445391 and 140445400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11588 + ... + 20375.

It is an arithmetic number, because the mean of its divisors is an integer number (14263935).

Almost surely, 2^140445422 is an apocalyptic number.

140445422 is a deficient number, since it is larger than the sum of its proper divisors (87777538).

140445422 is an equidigital number, since it uses as much as digits as its factorization.

140445422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32004 (or 31978 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 140445422 is about 11850.9671335297. The cubic root of 140445422 is about 519.7995060398.

Adding to 140445422 its reverse (224544041), we get a palindrome (364989463).

The spelling of 140445422 in words is "one hundred forty million, four hundred forty-five thousand, four hundred twenty-two".