345115771 has 24 divisors (see below), whose sum is σ = 471656304. Its totient is φ = 248230080.

The previous prime is 345115751. The next prime is 345115781. The reversal of 345115771 is 177511543.

It is a happy number.

It is not a de Polignac number, because 345115771 - 2¹¹ = 345113723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345115711) 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 23 ways as a sum of consecutive naturals, for example, 17620 + ... + 31633.

It is an arithmetic number, because the mean of its divisors is an integer number (19652346).

Almost surely, 2^345115771 is an apocalyptic number.

345115771 is a deficient number, since it is larger than the sum of its proper divisors (126540533).

345115771 is a wasteful number, since it uses less digits than its factorization.

345115771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49291 (or 49284 counting only the distinct ones).

The product of its digits is 14700, while the sum is 34.

The square root of 345115771 is about 18577.2918101644. The cubic root of 345115771 is about 701.4363506937.

The spelling of 345115771 in words is "three hundred forty-five million, one hundred fifteen thousand, seven hundred seventy-one".