1413440345 has 8 divisors (see below), whose sum is σ = 1701163464. Its totient is φ = 1127395584.

The previous prime is 1413440341. The next prime is 1413440363. The reversal of 1413440345 is 5430443141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 190329616 + 1223110729 = 13796^2 + 34973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1413440345 - 2² = 1413440341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1413440341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417734 + ... + 421103.

It is an arithmetic number, because the mean of its divisors is an integer number (212645433).

Almost surely, 2^1413440345 is an apocalyptic number.

It is an amenable number.

1413440345 is a deficient number, since it is larger than the sum of its proper divisors (287723119).

1413440345 is an equidigital number, since it uses as much as digits as its factorization.

1413440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839179.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1413440345 is about 37595.7490283144. The cubic root of 1413440345 is about 1122.2574433372.

Adding to 1413440345 its reverse (5430443141), we get a palindrome (6843883486).

The spelling of 1413440345 in words is "one billion, four hundred thirteen million, four hundred forty thousand, three hundred forty-five".