140450145305 has 8 divisors (see below), whose sum is σ = 168567191232. Its totient is φ = 112342105008.

The previous prime is 140450145263. The next prime is 140450145337. The reversal of 140450145305 is 503541054041.

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

It is a cyclic number.

It is not a de Polignac number, because 140450145305 - 2²⁸ = 140181709849 is a prime.

It is a super-2 number, since 2×140450145305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217047 + ... + 2279516.

It is an arithmetic number, because the mean of its divisors is an integer number (21070898904).

Almost surely, 2^140450145305 is an apocalyptic number.

It is an amenable number.

140450145305 is a deficient number, since it is larger than the sum of its proper divisors (28117045927).

140450145305 is an equidigital number, since it uses as much as digits as its factorization.

140450145305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502815.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 140450145305 its reverse (503541054041), we get a palindrome (643991199346).

The spelling of 140450145305 in words is "one hundred forty billion, four hundred fifty million, one hundred forty-five thousand, three hundred five".