140051220445 has 8 divisors (see below), whose sum is σ = 177947433144. Its totient is φ = 105450330624.

The previous prime is 140051220401. The next prime is 140051220457. The reversal of 140051220445 is 544022150041.

140051220445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26747621209 + 113303599236 = 163547^2 + 336606^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140051220445 is a prime.

It is a super-2 number, since 2×140051220445² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 823830624 + ... + 823830793.

It is an arithmetic number, because the mean of its divisors is an integer number (22243429143).

Almost surely, 2^140051220445 is an apocalyptic number.

It is an amenable number.

140051220445 is a deficient number, since it is larger than the sum of its proper divisors (37896212699).

140051220445 is a wasteful number, since it uses less digits than its factorization.

140051220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647661439.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 140051220445 its reverse (544022150041), we get a palindrome (684073370486).

The spelling of 140051220445 in words is "one hundred forty billion, fifty-one million, two hundred twenty thousand, four hundred forty-five".