345448530373 has 4 divisors (see below), whose sum is σ = 345451430988. Its totient is φ = 345445629760.

The previous prime is 345448530341. The next prime is 345448530391. The reversal of 345448530373 is 373035844543.

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 343228424449 + 2220105924 = 585857^2 + 47118^2 .

It is a cyclic number.

It is not a de Polignac number, because 345448530373 - 2⁵ = 345448530341 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345448530173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1263658 + ... + 1512523.

It is an arithmetic number, because the mean of its divisors is an integer number (86362857747).

Almost surely, 2^345448530373 is an apocalyptic number.

It is an amenable number.

345448530373 is a deficient number, since it is larger than the sum of its proper divisors (2900615).

345448530373 is a wasteful number, since it uses less digits than its factorization.

345448530373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900614.

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 345448530373 in words is "three hundred forty-five billion, four hundred forty-eight million, five hundred thirty thousand, three hundred seventy-three".