1345344941 has 2 divisors, whose sum is σ = 1345344942. Its totient is φ = 1345344940.

The previous prime is 1345344881. The next prime is 1345344971. The reversal of 1345344941 is 1494435431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1148532100 + 196812841 = 33890^2 + 14029^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345344941 - 2¹⁰ = 1345343917 is a prime.

It is a super-3 number, since 3×1345344941³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345344895 and 1345344904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345344971) 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 as a sum of consecutive naturals, namely, 672672470 + 672672471.

It is an arithmetic number, because the mean of its divisors is an integer number (672672471).

Almost surely, 2^1345344941 is an apocalyptic number.

It is an amenable number.

1345344941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345344941 is an equidigital number, since it uses as much as digits as its factorization.

1345344941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 1345344941 is about 36678.9441096660. The cubic root of 1345344941 is about 1103.9376619412.

The spelling of 1345344941 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, nine hundred forty-one".