345616225 has 12 divisors (see below), whose sum is σ = 428806384. Its totient is φ = 276336720.

The previous prime is 345616211. The next prime is 345616247. The reversal of 345616225 is 522616543.

It is a de Polignac number, because none of the positive numbers 2^k-345616225 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65122 + ... + 70228.

Almost surely, 2^345616225 is an apocalyptic number.

It is an amenable number.

345616225 is a deficient number, since it is larger than the sum of its proper divisors (83190159).

345616225 is a wasteful number, since it uses less digits than its factorization.

345616225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824 (or 7819 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 345616225 is about 18590.7564396934. The cubic root of 345616225 is about 701.7752389872.

The spelling of 345616225 in words is "three hundred forty-five million, six hundred sixteen thousand, two hundred twenty-five".