345640603 has 8 divisors (see below), whose sum is σ = 430928640. Its totient is φ = 269330280.

The previous prime is 345640543. The next prime is 345640621. The reversal of 345640603 is 306046543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345640603 - 2¹⁷ = 345509531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345640693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244343 + ... + 2244496.

It is an arithmetic number, because the mean of its divisors is an integer number (53866080).

Almost surely, 2^345640603 is an apocalyptic number.

345640603 is a deficient number, since it is larger than the sum of its proper divisors (85288037).

345640603 is a wasteful number, since it uses less digits than its factorization.

345640603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488857.

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

The square root of 345640603 is about 18591.4120765476. The cubic root of 345640603 is about 701.7917384774.

The spelling of 345640603 in words is "three hundred forty-five million, six hundred forty thousand, six hundred three".