140675445 has 12 divisors (see below), whose sum is σ = 243837516. Its totient is φ = 75026880.

The previous prime is 140675419. The next prime is 140675467. The reversal of 140675445 is 544576041.

140675445 is a `hidden beast` number, since 140 + 6 + 75 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23126481 + 117548964 = 4809^2 + 10842^2 .

It is not a de Polignac number, because 140675445 - 2⁵ = 140675413 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1563016 + ... + 1563105.

It is an arithmetic number, because the mean of its divisors is an integer number (20319793).

Almost surely, 2^140675445 is an apocalyptic number.

140675445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140675445 is a deficient number, since it is larger than the sum of its proper divisors (103162071).

140675445 is a wasteful number, since it uses less digits than its factorization.

140675445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126132 (or 3126129 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 140675445 is about 11860.6679828752. The cubic root of 140675445 is about 520.0831289684.

The spelling of 140675445 in words is "one hundred forty million, six hundred seventy-five thousand, four hundred forty-five".