345178560 has 56 divisors (see below), whose sum is σ = 1095944976. Its totient is φ = 92047360.

The previous prime is 345178553. The next prime is 345178577. The reversal of 345178560 is 65871543.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178821 + ... + 180740.

It is an arithmetic number, because the mean of its divisors is an integer number (19570446).

Almost surely, 2^345178560 is an apocalyptic number.

345178560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345178560 is an abundant number, since it is smaller than the sum of its proper divisors (750766416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345178560 is a wasteful number, since it uses less digits than its factorization.

345178560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359581 (or 359571 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 345178560 is about 18578.9816728474. The cubic root of 345178560 is about 701.4788869670.

The spelling of 345178560 in words is "three hundred forty-five million, one hundred seventy-eight thousand, five hundred sixty".