345445361 has 16 divisors (see below), whose sum is σ = 365763600. Its totient is φ = 325747968.

The previous prime is 345445333. The next prime is 345445439. The reversal of 345445361 is 163544543.

It can be written as a sum of positive squares in 8 ways, for example, as 41152225 + 304293136 = 6415^2 + 17444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345445361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345445301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486875 + ... + 487583.

It is an arithmetic number, because the mean of its divisors is an integer number (22860225).

Almost surely, 2^345445361 is an apocalyptic number.

It is an amenable number.

345445361 is a deficient number, since it is larger than the sum of its proper divisors (20318239).

345445361 is a wasteful number, since it uses less digits than its factorization.

345445361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its digits is 86400, while the sum is 35.

The square root of 345445361 is about 18586.1604695537. The cubic root of 345445361 is about 701.6595732274.

The spelling of 345445361 in words is "three hundred forty-five million, four hundred forty-five thousand, three hundred sixty-one".