345953066 has 4 divisors (see below), whose sum is σ = 518929602. Its totient is φ = 172976532.

The previous prime is 345952991. The next prime is 345953089. The reversal of 345953066 is 660359543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660359543 = 17 ⋅38844679.

It can be written as a sum of positive squares in only one way, i.e., 279057025 + 66896041 = 16705^2 + 8179^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86488265 + ... + 86488268.

Almost surely, 2^345953066 is an apocalyptic number.

345953066 is a deficient number, since it is larger than the sum of its proper divisors (172976536).

345953066 is a wasteful number, since it uses less digits than its factorization.

345953066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172976535.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 345953066 is about 18599.8136012165. The cubic root of 345953066 is about 702.0031506637.

The spelling of 345953066 in words is "three hundred forty-five million, nine hundred fifty-three thousand, sixty-six".