140324320445 has 12 divisors (see below), whose sum is σ = 170727516756. Its totient is φ = 110721634560.

The previous prime is 140324320403. The next prime is 140324320457. The reversal of 140324320445 is 544023423041.

It can be written as a sum of positive squares in 6 ways, for example, as 695798884 + 139628521561 = 26378^2 + 373669^2 .

It is not a de Polignac number, because 140324320445 - 2³² = 136029353149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2606576 + ... + 2659865.

It is an arithmetic number, because the mean of its divisors is an integer number (14227293063).

Almost surely, 2^140324320445 is an apocalyptic number.

It is an amenable number.

140324320445 is a deficient number, since it is larger than the sum of its proper divisors (30403196311).

140324320445 is an frugal number, since it uses more digits than its factorization.

140324320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266592 (or 5266519 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 140324320445 its reverse (544023423041), we get a palindrome (684347743486).

The spelling of 140324320445 in words is "one hundred forty billion, three hundred twenty-four million, three hundred twenty thousand, four hundred forty-five".