140244225 has 96 divisors (see below), whose sum is σ = 278553600. Its totient is φ = 61459200.

The previous prime is 140244211. The next prime is 140244227. The reversal of 140244225 is 522442041.

It is a happy number.

It is not a de Polignac number, because 140244225 - 2⁶ = 140244161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140244195 and 140244204.

It is not an unprimeable number, because it can be changed into a prime (140244227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 360331 + ... + 360719.

It is an arithmetic number, because the mean of its divisors is an integer number (2901600).

Almost surely, 2^140244225 is an apocalyptic number.

140244225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140244225 is a deficient number, since it is larger than the sum of its proper divisors (138309375).

140244225 is a wasteful number, since it uses less digits than its factorization.

140244225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 140244225 is about 11842.4754591259. The cubic root of 140244225 is about 519.5511721326.

Adding to 140244225 its reverse (522442041), we get a palindrome (662686266).

The spelling of 140244225 in words is "one hundred forty million, two hundred forty-four thousand, two hundred twenty-five".