345539812 has 6 divisors (see below), whose sum is σ = 604694678. Its totient is φ = 172769904.

The previous prime is 345539809. The next prime is 345539849. The reversal of 345539812 is 218935543.

345539812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 326669476 + 18870336 = 18074^2 + 4344^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 43192473 + ... + 43192480.

Almost surely, 2^345539812 is an apocalyptic number.

It is an amenable number.

345539812 is a deficient number, since it is larger than the sum of its proper divisors (259154866).

345539812 is a wasteful number, since it uses less digits than its factorization.

345539812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86384957 (or 86384955 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 345539812 is about 18588.7011918531. The cubic root of 345539812 is about 701.7235161995.

The spelling of 345539812 in words is "three hundred forty-five million, five hundred thirty-nine thousand, eight hundred twelve".