140550210145 has 4 divisors (see below), whose sum is σ = 168660252180. Its totient is φ = 112440168112.

The previous prime is 140550210133. The next prime is 140550210167. The reversal of 140550210145 is 541012055041.

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 101862467281 + 38687742864 = 319159^2 + 196692^2 .

It is a cyclic number.

It is not a de Polignac number, because 140550210145 - 2⁹ = 140550209633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14055021010 + ... + 14055021019.

It is an arithmetic number, because the mean of its divisors is an integer number (42165063045).

Almost surely, 2^140550210145 is an apocalyptic number.

It is an amenable number.

140550210145 is a deficient number, since it is larger than the sum of its proper divisors (28110042035).

140550210145 is an equidigital number, since it uses as much as digits as its factorization.

140550210145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28110042034.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 140550210145 its reverse (541012055041), we get a palindrome (681562265186).

The spelling of 140550210145 in words is "one hundred forty billion, five hundred fifty million, two hundred ten thousand, one hundred forty-five".