345052133 has 4 divisors (see below), whose sum is σ = 347046828. Its totient is φ = 343057440.

The previous prime is 345052129. The next prime is 345052157. The reversal of 345052133 is 331250543.

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 332077729 + 12974404 = 18223^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 345052133 - 2² = 345052129 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 (345052193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997088 + ... + 997433.

It is an arithmetic number, because the mean of its divisors is an integer number (86761707).

Almost surely, 2^345052133 is an apocalyptic number.

It is an amenable number.

345052133 is a deficient number, since it is larger than the sum of its proper divisors (1994695).

345052133 is a wasteful number, since it uses less digits than its factorization.

345052133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994694.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 345052133 is about 18575.5789411797. The cubic root of 345052133 is about 701.3932340024.

The spelling of 345052133 in words is "three hundred forty-five million, fifty-two thousand, one hundred thirty-three".