345195078 has 16 divisors (see below), whose sum is σ = 726726720. Its totient is φ = 109008936.

The previous prime is 345195077. The next prime is 345195083. The reversal of 345195078 is 870591543.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345195077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513900 + ... + 1514127.

It is an arithmetic number, because the mean of its divisors is an integer number (45420420).

Almost surely, 2^345195078 is an apocalyptic number.

345195078 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

345195078 is an abundant number, since it is smaller than the sum of its proper divisors (381531642).

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

345195078 is a wasteful number, since it uses less digits than its factorization.

345195078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028051.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 345195078 is about 18579.4262021194. The cubic root of 345195078 is about 701.4900761937.

The spelling of 345195078 in words is "three hundred forty-five million, one hundred ninety-five thousand, seventy-eight".