1345405333 has 4 divisors (see below), whose sum is σ = 1416216160. Its totient is φ = 1274594508.

The previous prime is 1345405291. The next prime is 1345405387. The reversal of 1345405333 is 3335045431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345405333 - 2⁹ = 1345404821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345405295 and 1345405304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345405133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35405385 + ... + 35405422.

It is an arithmetic number, because the mean of its divisors is an integer number (354054040).

Almost surely, 2^1345405333 is an apocalyptic number.

It is an amenable number.

1345405333 is a deficient number, since it is larger than the sum of its proper divisors (70810827).

1345405333 is an equidigital number, since it uses as much as digits as its factorization.

1345405333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70810826.

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

The square root of 1345405333 is about 36679.7673520430. The cubic root of 1345405333 is about 1103.9541801351.

The spelling of 1345405333 in words is "one billion, three hundred forty-five million, four hundred five thousand, three hundred thirty-three".