1345577903 has 2 divisors, whose sum is σ = 1345577904. Its totient is φ = 1345577902.

The previous prime is 1345577879. The next prime is 1345577941. The reversal of 1345577903 is 3097755431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345577903 - 2¹⁴ = 1345561519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345577953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672788951 + 672788952.

It is an arithmetic number, because the mean of its divisors is an integer number (672788952).

Almost surely, 2^1345577903 is an apocalyptic number.

1345577903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345577903 is an equidigital number, since it uses as much as digits as its factorization.

1345577903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 44.

The square root of 1345577903 is about 36682.1196634000. The cubic root of 1345577903 is about 1104.0013781117.

The spelling of 1345577903 in words is "one billion, three hundred forty-five million, five hundred seventy-seven thousand, nine hundred three".