1345352043 has 32 divisors (see below), whose sum is σ = 2152120320. Its totient is φ = 731342880.

The previous prime is 1345352039. The next prime is 1345352077. The reversal of 1345352043 is 3402535431.

It is not a de Polignac number, because 1345352043 - 2² = 1345352039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1345352043.

It is not an unprimeable number, because it can be changed into a prime (1345352093) 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 31 ways as a sum of consecutive naturals, for example, 20896 + ... + 55922.

It is an arithmetic number, because the mean of its divisors is an integer number (67253760).

Almost surely, 2^1345352043 is an apocalyptic number.

1345352043 is a deficient number, since it is larger than the sum of its proper divisors (806768277).

1345352043 is a wasteful number, since it uses less digits than its factorization.

1345352043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35127.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1345352043 is about 36679.0409225759. The cubic root of 1345352043 is about 1103.9396044793.

Adding to 1345352043 its reverse (3402535431), we get a palindrome (4747887474).

The spelling of 1345352043 in words is "one billion, three hundred forty-five million, three hundred fifty-two thousand, forty-three".