345313453 has 4 divisors (see below), whose sum is σ = 346338460. Its totient is φ = 344288448.

The previous prime is 345313447. The next prime is 345313457. The reversal of 345313453 is 354313543.

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 157678249 + 187635204 = 12557^2 + 13698^2 .

It is a cyclic number.

It is not a de Polignac number, because 345313453 - 2¹⁷ = 345182381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345313457) 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, 511998 + ... + 512671.

It is an arithmetic number, because the mean of its divisors is an integer number (86584615).

Almost surely, 2^345313453 is an apocalyptic number.

It is an amenable number.

345313453 is a deficient number, since it is larger than the sum of its proper divisors (1025007).

345313453 is a wasteful number, since it uses less digits than its factorization.

345313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025006.

The product of its digits is 32400, while the sum is 31.

The square root of 345313453 is about 18582.6115764173. The cubic root of 345313453 is about 701.5702524987.

Adding to 345313453 its reverse (354313543), we get a palindrome (699626996).

The spelling of 345313453 in words is "three hundred forty-five million, three hundred thirteen thousand, four hundred fifty-three".