140453645565 has 16 divisors (see below), whose sum is σ = 236553508800. Its totient is φ = 70966052352.

The previous prime is 140453645537. The next prime is 140453645569. The reversal of 140453645565 is 565546354041.

It is a happy number.

140453645565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140453645565 - 2¹⁴ = 140453629181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140453645569) 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 in 15 ways as a sum of consecutive naturals, for example, 246409620 + ... + 246410189.

It is an arithmetic number, because the mean of its divisors is an integer number (14784594300).

Almost surely, 2^140453645565 is an apocalyptic number.

140453645565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140453645565 is a deficient number, since it is larger than the sum of its proper divisors (96099863235).

140453645565 is a wasteful number, since it uses less digits than its factorization.

140453645565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492819836.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 140453645565 in words is "one hundred forty billion, four hundred fifty-three million, six hundred forty-five thousand, five hundred sixty-five".