345111143 has 8 divisors (see below), whose sum is σ = 378671328. Its totient is φ = 312552864.

The previous prime is 345111139. The next prime is 345111149. The reversal of 345111143 is 341111543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345111143 - 2² = 345111139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345111149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249755 + ... + 251132.

It is an arithmetic number, because the mean of its divisors is an integer number (47333916).

Almost surely, 2^345111143 is an apocalyptic number.

345111143 is a deficient number, since it is larger than the sum of its proper divisors (33560185).

345111143 is a wasteful number, since it uses less digits than its factorization.

345111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500953.

The product of its digits is 720, while the sum is 23.

The square root of 345111143 is about 18577.1672490722. The cubic root of 345111143 is about 701.4332152609.

Adding to 345111143 its reverse (341111543), we get a palindrome (686222686).

The spelling of 345111143 in words is "three hundred forty-five million, one hundred eleven thousand, one hundred forty-three".