140044225 has 12 divisors (see below), whose sum is σ = 174619900. Its totient is φ = 111412800.

The previous prime is 140044213. The next prime is 140044237. The reversal of 140044225 is 522440041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140044213) and next prime (140044237).

It can be written as a sum of positive squares in 6 ways, for example, as 5089536 + 134954689 = 2256^2 + 11617^2 .

It is not a de Polignac number, because 140044225 - 2¹⁵ = 140011457 is a prime.

It is a super-2 number, since 2×140044225² = 39224769911701250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140044196 and 140044205.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10950 + ... + 19999.

Almost surely, 2^140044225 is an apocalyptic number.

It is an amenable number.

140044225 is a deficient number, since it is larger than the sum of its proper divisors (34575675).

140044225 is a wasteful number, since it uses less digits than its factorization.

140044225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140 (or 31135 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140044225 is about 11834.0282659794. The cubic root of 140044225 is about 519.3040801555.

Adding to 140044225 its reverse (522440041), we get a palindrome (662484266).

The spelling of 140044225 in words is "one hundred forty million, forty-four thousand, two hundred twenty-five".