345570133 has 2 divisors, whose sum is σ = 345570134. Its totient is φ = 345570132.

The previous prime is 345570107. The next prime is 345570191. The reversal of 345570133 is 331075543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343657444 + 1912689 = 18538^2 + 1383^2 .

It is an emirp because it is prime and its reverse (331075543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345570133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345570095 and 345570104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345670133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172785066 + 172785067.

It is an arithmetic number, because the mean of its divisors is an integer number (172785067).

Almost surely, 2^345570133 is an apocalyptic number.

It is an amenable number.

345570133 is a deficient number, since it is larger than the sum of its proper divisors (1).

345570133 is an equidigital number, since it uses as much as digits as its factorization.

345570133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 345570133 is about 18589.5167500395. The cubic root of 345570133 is about 701.7440409318.

The spelling of 345570133 in words is "three hundred forty-five million, five hundred seventy thousand, one hundred thirty-three".