345121564 has 12 divisors (see below), whose sum is σ = 616813344. Its totient is φ = 168889184.

The previous prime is 345121541. The next prime is 345121627. The reversal of 345121564 is 465121543.

It is a happy number.

345121564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 917689 + ... + 918064.

It is an arithmetic number, because the mean of its divisors is an integer number (51401112).

Almost surely, 2^345121564 is an apocalyptic number.

It is an amenable number.

345121564 is a deficient number, since it is larger than the sum of its proper divisors (271691780).

345121564 is a wasteful number, since it uses less digits than its factorization.

345121564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835804 (or 1835802 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 345121564 is about 18577.4477256700. The cubic root of 345121564 is about 701.4402753651.

The spelling of 345121564 in words is "three hundred forty-five million, one hundred twenty-one thousand, five hundred sixty-four".