1345443164 has 12 divisors (see below), whose sum is σ = 2535642984. Its totient is φ = 620973744.

The previous prime is 1345443163. The next prime is 1345443191. The reversal of 1345443164 is 4613445431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345443163) 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, 12936902 + ... + 12937005.

It is an arithmetic number, because the mean of its divisors is an integer number (211303582).

Almost surely, 2^1345443164 is an apocalyptic number.

It is an amenable number.

1345443164 is a deficient number, since it is larger than the sum of its proper divisors (1190199820).

1345443164 is a wasteful number, since it uses less digits than its factorization.

1345443164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25873924 (or 25873922 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 1345443164 is about 36680.2830414379. The cubic root of 1345443164 is about 1103.9645272769.

Adding to 1345443164 its reverse (4613445431), we get a palindrome (5958888595).

The spelling of 1345443164 in words is "one billion, three hundred forty-five million, four hundred forty-three thousand, one hundred sixty-four".