345273303 has 4 divisors (see below), whose sum is σ = 460364408. Its totient is φ = 230182200.

The previous prime is 345273293. The next prime is 345273337. The reversal of 345273303 is 303372543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 345273303 - 2⁴ = 345273287 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 (345273403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57545548 + ... + 57545553.

It is an arithmetic number, because the mean of its divisors is an integer number (115091102).

Almost surely, 2^345273303 is an apocalyptic number.

345273303 is a deficient number, since it is larger than the sum of its proper divisors (115091105).

345273303 is a wasteful number, since it uses less digits than its factorization.

345273303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115091104.

The product of its (nonzero) digits is 22680, while the sum is 30.

The square root of 345273303 is about 18581.5312339968. The cubic root of 345273303 is about 701.5430606462.

The spelling of 345273303 in words is "three hundred forty-five million, two hundred seventy-three thousand, three hundred three".