345441161 has 4 divisors (see below), whose sum is σ = 372013572. Its totient is φ = 318868752.

The previous prime is 345441157. The next prime is 345441169. The reversal of 345441161 is 161144543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 130965136 + 214476025 = 11444^2 + 14645^2 .

It is a cyclic number.

It is not a de Polignac number, because 345441161 - 2² = 345441157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345441169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286186 + ... + 13286211.

It is an arithmetic number, because the mean of its divisors is an integer number (93003393).

Almost surely, 2^345441161 is an apocalyptic number.

It is an amenable number.

345441161 is a deficient number, since it is larger than the sum of its proper divisors (26572411).

345441161 is a wasteful number, since it uses less digits than its factorization.

345441161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26572410.

The product of its digits is 5760, while the sum is 29.

The square root of 345441161 is about 18586.0474819150. The cubic root of 345441161 is about 701.6567295725.

The spelling of 345441161 in words is "three hundred forty-five million, four hundred forty-one thousand, one hundred sixty-one".