345675245 has 4 divisors (see below), whose sum is σ = 414810300. Its totient is φ = 276540192.

The previous prime is 345675193. The next prime is 345675251. The reversal of 345675245 is 542576543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542576543 = 503 ⋅1078681.

It can be written as a sum of positive squares in 2 ways, for example, as 95687524 + 249987721 = 9782^2 + 15811^2 .

It is a cyclic number.

It is not a de Polignac number, because 345675245 - 2¹⁴ = 345658861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34567520 + ... + 34567529.

It is an arithmetic number, because the mean of its divisors is an integer number (103702575).

Almost surely, 2^345675245 is an apocalyptic number.

It is an amenable number.

345675245 is a deficient number, since it is larger than the sum of its proper divisors (69135055).

345675245 is an equidigital number, since it uses as much as digits as its factorization.

345675245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69135054.

The product of its digits is 504000, while the sum is 41.

The square root of 345675245 is about 18592.3437199294. The cubic root of 345675245 is about 701.8151835019.

It can be divided in two parts, 3 and 45675245, that multiplied together give a triangular number (137025735 = T₁₆₅₅₄).

The spelling of 345675245 in words is "three hundred forty-five million, six hundred seventy-five thousand, two hundred forty-five".