140423322645 has 12 divisors (see below), whose sum is σ = 243400425996. Its totient is φ = 74892438720.

The previous prime is 140423322617. The next prime is 140423322653. The reversal of 140423322645 is 546223324041.

140423322645 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 3 + 3 + 2 + 2 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35769778641 + 104653544004 = 189129^2 + 323502^2 .

It is not a de Polignac number, because 140423322645 - 2⁹ = 140423322133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1560259096 + ... + 1560259185.

It is an arithmetic number, because the mean of its divisors is an integer number (20283368833).

Almost surely, 2^140423322645 is an apocalyptic number.

140423322645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140423322645 is a deficient number, since it is larger than the sum of its proper divisors (102977103351).

140423322645 is a wasteful number, since it uses less digits than its factorization.

140423322645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120518292 (or 3120518289 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 140423322645 its reverse (546223324041), we get a palindrome (686646646686).

The spelling of 140423322645 in words is "one hundred forty billion, four hundred twenty-three million, three hundred twenty-two thousand, six hundred forty-five".