345181775 has 24 divisors (see below), whose sum is σ = 436013760. Its totient is φ = 271042560.

The previous prime is 345181763. The next prime is 345181813. The reversal of 345181775 is 577181543.

It is a happy number.

It is not a de Polignac number, because 345181775 - 2¹⁰ = 345180751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331706 + ... + 332744.

It is an arithmetic number, because the mean of its divisors is an integer number (18167240).

Almost surely, 2^345181775 is an apocalyptic number.

345181775 is a deficient number, since it is larger than the sum of its proper divisors (90831985).

345181775 is a wasteful number, since it uses less digits than its factorization.

With its successor (345181776) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1278).

With its successor (345181776) it forms an eRAP, since the sums of their prime factors are consecutive (1283 and 1284).

345181775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1278 counting only the distinct ones).

The product of its digits is 117600, while the sum is 41.

The square root of 345181775 is about 18579.0681951491. The cubic root of 345181775 is about 701.4810648231.

The spelling of 345181775 in words is "three hundred forty-five million, one hundred eighty-one thousand, seven hundred seventy-five".