140545154173 has 2 divisors, whose sum is σ = 140545154174. Its totient is φ = 140545154172.

The previous prime is 140545154147. The next prime is 140545154177. The reversal of 140545154173 is 371451545041.

140545154173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138504554244 + 2040599929 = 372162^2 + 45173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140545154173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140545154177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70272577086 + 70272577087.

It is an arithmetic number, because the mean of its divisors is an integer number (70272577087).

Almost surely, 2^140545154173 is an apocalyptic number.

It is an amenable number.

140545154173 is a deficient number, since it is larger than the sum of its proper divisors (1).

140545154173 is an equidigital number, since it uses as much as digits as its factorization.

140545154173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 140545154173 in words is "one hundred forty billion, five hundred forty-five million, one hundred fifty-four thousand, one hundred seventy-three".