345443145 has 24 divisors (see below), whose sum is σ = 587141184. Its totient is φ = 173396736.

The previous prime is 345443143. The next prime is 345443159. The reversal of 345443145 is 541344543.

It is a happy number.

It is not a de Polignac number, because 345443145 - 2¹ = 345443143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345443143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35509 + ... + 44178.

It is an arithmetic number, because the mean of its divisors is an integer number (24464216).

Almost surely, 2^345443145 is an apocalyptic number.

It is an amenable number.

345443145 is a deficient number, since it is larger than the sum of its proper divisors (241698039).

345443145 is a wasteful number, since it uses less digits than its factorization.

345443145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79729 (or 79712 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 345443145 is about 18586.1008552090. The cubic root of 345443145 is about 701.6580728638.

Adding to 345443145 its reverse (541344543), we get a palindrome (886787688).

The spelling of 345443145 in words is "three hundred forty-five million, four hundred forty-three thousand, one hundred forty-five".