140344224 has 48 divisors (see below), whose sum is σ = 381114720. Its totient is φ = 45167360.

The previous prime is 140344213. The next prime is 140344261. The reversal of 140344224 is 422443041.

It is a happy number.

140344224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 140344194 and 140344203.

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, 22422 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (7939890).

Almost surely, 2^140344224 is an apocalyptic number.

It is an amenable number.

140344224 is an abundant number, since it is smaller than the sum of its proper divisors (240770496).

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

140344224 is a wasteful number, since it uses less digits than its factorization.

140344224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50453 (or 50445 counting only the distinct ones).

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

The square root of 140344224 is about 11846.6967547920. The cubic root of 140344224 is about 519.6746288003.

Adding to 140344224 its reverse (422443041), we get a palindrome (562787265).

The spelling of 140344224 in words is "one hundred forty million, three hundred forty-four thousand, two hundred twenty-four".