140445125 has 8 divisors (see below), whose sum is σ = 175275672. Its totient is φ = 112356000.

The previous prime is 140445091. The next prime is 140445133. The reversal of 140445125 is 521544041.

It can be written as a sum of positive squares in 4 ways, for example, as 44542276 + 95902849 = 6674^2 + 9793^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140445125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140445094 and 140445103.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 561656 + ... + 561905.

It is an arithmetic number, because the mean of its divisors is an integer number (21909459).

Almost surely, 2^140445125 is an apocalyptic number.

It is an amenable number.

140445125 is a deficient number, since it is larger than the sum of its proper divisors (34830547).

140445125 is an equidigital number, since it uses as much as digits as its factorization.

140445125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123576 (or 1123566 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 140445125 is about 11850.9546029001. The cubic root of 140445125 is about 519.7991396327.

Adding to 140445125 its reverse (521544041), we get a palindrome (661989166).

The spelling of 140445125 in words is "one hundred forty million, four hundred forty-five thousand, one hundred twenty-five".