345549383 has 2 divisors, whose sum is σ = 345549384. Its totient is φ = 345549382.

The previous prime is 345549359. The next prime is 345549439. The reversal of 345549383 is 383945543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345549383 - 2¹² = 345545287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345549283) 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 as a sum of consecutive naturals, namely, 172774691 + 172774692.

It is an arithmetic number, because the mean of its divisors is an integer number (172774692).

Almost surely, 2^345549383 is an apocalyptic number.

345549383 is a deficient number, since it is larger than the sum of its proper divisors (1).

345549383 is an equidigital number, since it uses as much as digits as its factorization.

345549383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 44.

The square root of 345549383 is about 18588.9586314027. The cubic root of 345549383 is about 701.7299950803.

The spelling of 345549383 in words is "three hundred forty-five million, five hundred forty-nine thousand, three hundred eighty-three".