345406303 has 8 divisors (see below), whose sum is σ = 377568000. Its totient is φ = 313371480.

The previous prime is 345406297. The next prime is 345406307. The reversal of 345406303 is 303604543.

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 345406303 - 2²¹ = 343309151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345406307) 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, 25975 + ... + 36952.

It is an arithmetic number, because the mean of its divisors is an integer number (47196000).

Almost surely, 2^345406303 is an apocalyptic number.

345406303 is a deficient number, since it is larger than the sum of its proper divisors (32161697).

345406303 is a wasteful number, since it uses less digits than its factorization.

345406303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63437.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 345406303 is about 18585.1097118096. The cubic root of 345406303 is about 701.6331277017.

The spelling of 345406303 in words is "three hundred forty-five million, four hundred six thousand, three hundred three".