345472453 has 4 divisors (see below), whose sum is σ = 365794380. Its totient is φ = 325150528.

The previous prime is 345472381. The next prime is 345472471. The reversal of 345472453 is 354274543.

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 169989444 + 175483009 = 13038^2 + 13247^2 .

It is a cyclic number.

It is not a de Polignac number, because 345472453 - 2²¹ = 343375301 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 (345472483) 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, 10160938 + ... + 10160971.

It is an arithmetic number, because the mean of its divisors is an integer number (91448595).

Almost surely, 2^345472453 is an apocalyptic number.

It is an amenable number.

345472453 is a deficient number, since it is larger than the sum of its proper divisors (20321927).

345472453 is a wasteful number, since it uses less digits than its factorization.

345472453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321926.

The product of its digits is 201600, while the sum is 37.

The square root of 345472453 is about 18586.8892771222. The cubic root of 345472453 is about 701.6779156016.

The spelling of 345472453 in words is "three hundred forty-five million, four hundred seventy-two thousand, four hundred fifty-three".