345156806 has 4 divisors (see below), whose sum is σ = 517735212. Its totient is φ = 172578402.

The previous prime is 345156781. The next prime is 345156809. The reversal of 345156806 is 608651543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608651543 = 229 ⋅2657867.

It is a self number, because there is not a number n which added to its sum of digits gives 345156806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345156809) by changing a digit.

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 as a sum of consecutive naturals, namely, 86289200 + ... + 86289203.

It is an arithmetic number, because the mean of its divisors is an integer number (129433803).

Almost surely, 2^345156806 is an apocalyptic number.

345156806 is a deficient number, since it is larger than the sum of its proper divisors (172578406).

345156806 is a wasteful number, since it uses less digits than its factorization.

345156806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172578405.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 345156806 is about 18578.3962171120. The cubic root of 345156806 is about 701.4641503504.

The spelling of 345156806 in words is "three hundred forty-five million, one hundred fifty-six thousand, eight hundred six".