140055144345 has 24 divisors (see below), whose sum is σ = 242785952136. Its totient is φ = 74688784128.

The previous prime is 140055144319. The next prime is 140055144379. The reversal of 140055144345 is 543441550041.

It can be written as a sum of positive squares in 4 ways, for example, as 104579798544 + 35475345801 = 323388^2 + 188349^2 .

It is not a de Polignac number, because 140055144345 - 2⁷ = 140055144217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330957 + ... + 624213.

It is an arithmetic number, because the mean of its divisors is an integer number (10116081339).

Almost surely, 2^140055144345 is an apocalyptic number.

140055144345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140055144345 is a deficient number, since it is larger than the sum of its proper divisors (102730807791).

140055144345 is a wasteful number, since it uses less digits than its factorization.

140055144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303881 (or 303878 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 140055144345 its reverse (543441550041), we get a palindrome (683496694386).

The spelling of 140055144345 in words is "one hundred forty billion, fifty-five million, one hundred forty-four thousand, three hundred forty-five".