345452542442353 has 4 divisors (see below), whose sum is σ = 345462814935540. Its totient is φ = 345442269949168.

The previous prime is 345452542442263. The next prime is 345452542442383. The reversal of 345452542442353 is 353244245254543.

It is a happy number.

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 85892635837584 + 259559906604769 = 9267828^2 + 16110863^2 .

It is a cyclic number.

It is not a de Polignac number, because 345452542442353 - 2¹⁷ = 345452542311281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345452542442294 and 345452542442303.

It is not an unprimeable number, because it can be changed into a prime (345452542442383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5136196150 + ... + 5136263407.

It is an arithmetic number, because the mean of its divisors is an integer number (86365703733885).

Almost surely, 2^{345452542442353} is an apocalyptic number.

It is an amenable number.

345452542442353 is a deficient number, since it is larger than the sum of its proper divisors (10272493187).

345452542442353 is a wasteful number, since it uses less digits than its factorization.

345452542442353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10272493186.

The product of its digits is 138240000, while the sum is 55.

Adding to 345452542442353 its reverse (353244245254543), we get a palindrome (698696787696896).

The spelling of 345452542442353 in words is "three hundred forty-five trillion, four hundred fifty-two billion, five hundred forty-two million, four hundred forty-two thousand, three hundred fifty-three".