140528433468845 has 4 divisors (see below), whose sum is σ = 168634120162620. Its totient is φ = 112422746775072.

The previous prime is 140528433468817. The next prime is 140528433468847. The reversal of 140528433468845 is 548864334825041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100915646479684 + 39612786989161 = 10045678^2 + 6293869^2 .

It is a cyclic number.

It is not a de Polignac number, because 140528433468845 - 2¹⁸ = 140528433206701 is a prime.

It is a super-2 number, since 2×140528433468845² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140528433468847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14052843346880 + ... + 14052843346889.

It is an arithmetic number, because the mean of its divisors is an integer number (42158530040655).

Almost surely, 2^{140528433468845} is an apocalyptic number.

It is an amenable number.

140528433468845 is a deficient number, since it is larger than the sum of its proper divisors (28105686693775).

140528433468845 is an equidigital number, since it uses as much as digits as its factorization.

140528433468845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28105686693774.

The product of its (nonzero) digits is 353894400, while the sum is 65.

The spelling of 140528433468845 in words is "one hundred forty trillion, five hundred twenty-eight billion, four hundred thirty-three million, four hundred sixty-eight thousand, eight hundred forty-five".