140544224 has 12 divisors (see below), whose sum is σ = 276696504. Its totient is φ = 70272096.

The previous prime is 140544223. The next prime is 140544233. The reversal of 140544224 is 422445041.

It is a junction number, because it is equal to n+sod(n) for n = 140544193 and 140544202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140544223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195972 + ... + 2196035.

It is an arithmetic number, because the mean of its divisors is an integer number (23058042).

Almost surely, 2^140544224 is an apocalyptic number.

It is an amenable number.

140544224 is a deficient number, since it is larger than the sum of its proper divisors (136152280).

140544224 is an equidigital number, since it uses as much as digits as its factorization.

140544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392017 (or 4392009 counting only the distinct ones).

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

The square root of 140544224 is about 11855.1349212061. The cubic root of 140544224 is about 519.9213687811.

Adding to 140544224 its reverse (422445041), we get a palindrome (562989265).

The spelling of 140544224 in words is "one hundred forty million, five hundred forty-four thousand, two hundred twenty-four".