345856546 has 16 divisors (see below), whose sum is σ = 601747776. Its totient is φ = 146011536.

The previous prime is 345856529. The next prime is 345856559. The reversal of 345856546 is 645658543.

It is a super-2 number, since 2×345856546² = 239233500822100232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345856496 and 345856505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183421 + ... + 185296.

It is an arithmetic number, because the mean of its divisors is an integer number (37609236).

Almost surely, 2^345856546 is an apocalyptic number.

345856546 is a deficient number, since it is larger than the sum of its proper divisors (255891230).

345856546 is a wasteful number, since it uses less digits than its factorization.

345856546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368793.

The product of its digits is 1728000, while the sum is 46.

The square root of 345856546 is about 18597.2187705581. The cubic root of 345856546 is about 701.9378589107.

The spelling of 345856546 in words is "three hundred forty-five million, eight hundred fifty-six thousand, five hundred forty-six".