345442166 has 4 divisors (see below), whose sum is σ = 518163252. Its totient is φ = 172721082.

The previous prime is 345442157. The next prime is 345442183. The reversal of 345442166 is 661244543.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86360540 + ... + 86360543.

It is an arithmetic number, because the mean of its divisors is an integer number (129540813).

Almost surely, 2^345442166 is an apocalyptic number.

345442166 is a deficient number, since it is larger than the sum of its proper divisors (172721086).

345442166 is a wasteful number, since it uses less digits than its factorization.

345442166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172721085.

The product of its digits is 69120, while the sum is 35.

The square root of 345442166 is about 18586.0745183054. The cubic root of 345442166 is about 701.6574100206.

The spelling of 345442166 in words is "three hundred forty-five million, four hundred forty-two thousand, one hundred sixty-six".