345204603 has 24 divisors (see below), whose sum is σ = 520871520. Its totient is φ = 220026240.

The previous prime is 345204599. The next prime is 345204611. The reversal of 345204603 is 306402543.

345204603 is a `hidden beast` number, since 3 + 4 + 52 + 0 + 4 + 603 = 666.

It is not a de Polignac number, because 345204603 - 2² = 345204599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345204653) 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 in 23 ways as a sum of consecutive naturals, for example, 20463 + ... + 33303.

It is an arithmetic number, because the mean of its divisors is an integer number (21702980).

Almost surely, 2^345204603 is an apocalyptic number.

345204603 is a deficient number, since it is larger than the sum of its proper divisors (175666917).

345204603 is a wasteful number, since it uses less digits than its factorization.

345204603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 345204603 is about 18579.6825322716. The cubic root of 345204603 is about 701.4965282280.

The spelling of 345204603 in words is "three hundred forty-five million, two hundred four thousand, six hundred three".