345622603 has 4 divisors (see below), whose sum is σ = 347359600. Its totient is φ = 343885608.

The previous prime is 345622567. The next prime is 345622619. The reversal of 345622603 is 306226543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306226543 = 7 ⋅43746649.

It is a cyclic number.

It is not a de Polignac number, because 345622603 - 2¹³ = 345614411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345622703) 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, 868200 + ... + 868597.

It is an arithmetic number, because the mean of its divisors is an integer number (86839900).

Almost surely, 2^345622603 is an apocalyptic number.

345622603 is a deficient number, since it is larger than the sum of its proper divisors (1736997).

345622603 is a wasteful number, since it uses less digits than its factorization.

345622603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736996.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 345622603 is about 18590.9279757628. The cubic root of 345622603 is about 701.7795558128.

The spelling of 345622603 in words is "three hundred forty-five million, six hundred twenty-two thousand, six hundred three".