345255071 has 4 divisors (see below), whose sum is σ = 394577232. Its totient is φ = 295932912.

The previous prime is 345255049. The next prime is 345255077. The reversal of 345255071 is 170552543.

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

It is a cyclic number.

It is not a de Polignac number, because 345255071 - 2¹⁸ = 344992927 is a prime.

It is a super-3 number, since 3×345255071³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345255077) 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, 24661070 + ... + 24661083.

It is an arithmetic number, because the mean of its divisors is an integer number (98644308).

Almost surely, 2^345255071 is an apocalyptic number.

345255071 is a deficient number, since it is larger than the sum of its proper divisors (49322161).

345255071 is an equidigital number, since it uses as much as digits as its factorization.

345255071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49322160.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 345255071 is about 18581.0406328602. The cubic root of 345255071 is about 701.5307122080.

The spelling of 345255071 in words is "three hundred forty-five million, two hundred fifty-five thousand, seventy-one".