1345443105 has 16 divisors (see below), whose sum is σ = 2266009920. Its totient is φ = 679802688.

The previous prime is 1345443101. The next prime is 1345443131. The reversal of 1345443105 is 5013445431.

It is not a de Polignac number, because 1345443105 - 2² = 1345443101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345443101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360142 + ... + 2360711.

It is an arithmetic number, because the mean of its divisors is an integer number (141625620).

Almost surely, 2^1345443105 is an apocalyptic number.

1345443105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345443105 is a deficient number, since it is larger than the sum of its proper divisors (920566815).

1345443105 is a wasteful number, since it uses less digits than its factorization.

1345443105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720880.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1345443105 is about 36680.2822371911. The cubic root of 1345443105 is about 1103.9645111400.

Adding to 1345443105 its reverse (5013445431), we get a palindrome (6358888536).

The spelling of 1345443105 in words is "one billion, three hundred forty-five million, four hundred forty-three thousand, one hundred five".