140545241021455 has 32 divisors (see below), whose sum is σ = 176982380789760. Its totient is φ = 107016207229440.

The previous prime is 140545241021431. The next prime is 140545241021489. The reversal of 140545241021455 is 554120142545041.

It is a de Polignac number, because none of the positive numbers 2^k-140545241021455 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 (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21625770 + ... + 27363559.

It is an arithmetic number, because the mean of its divisors is an integer number (5530699399680).

Almost surely, 2^{140545241021455} is an apocalyptic number.

140545241021455 is a deficient number, since it is larger than the sum of its proper divisors (36437139768305).

140545241021455 is a wasteful number, since it uses less digits than its factorization.

140545241021455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48989671.

The product of its (nonzero) digits is 640000, while the sum is 43.

Adding to 140545241021455 its reverse (554120142545041), we get a palindrome (694665383566496).

The spelling of 140545241021455 in words is "one hundred forty trillion, five hundred forty-five billion, two hundred forty-one million, twenty-one thousand, four hundred fifty-five".