345136178 has 8 divisors (see below), whose sum is σ = 544951920. Its totient is φ = 163485540.

The previous prime is 345136171. The next prime is 345136199. The reversal of 345136178 is 871631543.

345136178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×345136178³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 9082531 = 345136178 / (3 + 4 + 5 + 1 + 3 + 6 + 1 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (345136171) 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, 4541228 + ... + 4541303.

It is an arithmetic number, because the mean of its divisors is an integer number (68118990).

Almost surely, 2^345136178 is an apocalyptic number.

345136178 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

345136178 is a deficient number, since it is larger than the sum of its proper divisors (199815742).

345136178 is a wasteful number, since it uses less digits than its factorization.

345136178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082552.

The product of its digits is 60480, while the sum is 38.

The square root of 345136178 is about 18577.8410478721. The cubic root of 345136178 is about 701.4501759379.

The spelling of 345136178 in words is "three hundred forty-five million, one hundred thirty-six thousand, one hundred seventy-eight".