345445043 has 4 divisors (see below), whose sum is σ = 351962928. Its totient is φ = 338927160.

The previous prime is 345445039. The next prime is 345445057. The reversal of 345445043 is 340544543.

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

It is a cyclic number.

It is not a de Polignac number, because 345445043 - 2² = 345445039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345445003) 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, 3258863 + ... + 3258968.

It is an arithmetic number, because the mean of its divisors is an integer number (87990732).

Almost surely, 2^345445043 is an apocalyptic number.

345445043 is a deficient number, since it is larger than the sum of its proper divisors (6517885).

345445043 is an equidigital number, since it uses as much as digits as its factorization.

345445043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517884.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 345445043 is about 18586.1519147994. The cubic root of 345445043 is about 701.6593579229.

Adding to 345445043 its reverse (340544543), we get a palindrome (685989586).

The spelling of 345445043 in words is "three hundred forty-five million, four hundred forty-five thousand, forty-three".