345441111 has 4 divisors (see below), whose sum is σ = 460588152. Its totient is φ = 230294072.

The previous prime is 345441101. The next prime is 345441119. The reversal of 345441111 is 111144543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111144543 = 3 ⋅37048181.

It is a cyclic number.

It is not a de Polignac number, because 345441111 - 2⁷ = 345440983 is a prime.

It is a super-2 number, since 2×345441111² = 238659122337828642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345441119) 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, 57573516 + ... + 57573521.

It is an arithmetic number, because the mean of its divisors is an integer number (115147038).

Almost surely, 2^345441111 is an apocalyptic number.

345441111 is a deficient number, since it is larger than the sum of its proper divisors (115147041).

345441111 is a wasteful number, since it uses less digits than its factorization.

345441111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115147040.

The product of its digits is 960, while the sum is 24.

The square root of 345441111 is about 18586.0461368200. The cubic root of 345441111 is about 701.6566957194.

Adding to 345441111 its reverse (111144543), we get a palindrome (456585654).

The spelling of 345441111 in words is "three hundred forty-five million, four hundred forty-one thousand, one hundred eleven".