140161645525 has 24 divisors (see below), whose sum is σ = 191441300544. Its totient is φ = 100946054400.

The previous prime is 140161645513. The next prime is 140161645529. The reversal of 140161645525 is 525546161041.

It is not a de Polignac number, because 140161645525 - 2³⁷ = 2722692053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140161645529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2445844 + ... + 2502493.

It is an arithmetic number, because the mean of its divisors is an integer number (7976720856).

Almost surely, 2^140161645525 is an apocalyptic number.

It is an amenable number.

140161645525 is a deficient number, since it is larger than the sum of its proper divisors (51279655019).

140161645525 is a wasteful number, since it uses less digits than its factorization.

140161645525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948461 (or 4948456 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 140161645525 in words is "one hundred forty billion, one hundred sixty-one million, six hundred forty-five thousand, five hundred twenty-five".