1345455879 has 4 divisors (see below), whose sum is σ = 1793941176. Its totient is φ = 896970584.

The previous prime is 1345455869. The next prime is 1345455941. The reversal of 1345455879 is 9785545431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345455879 - 2⁵ = 1345455847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345455869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224242644 + ... + 224242649.

It is an arithmetic number, because the mean of its divisors is an integer number (448485294).

Almost surely, 2^1345455879 is an apocalyptic number.

1345455879 is a deficient number, since it is larger than the sum of its proper divisors (448485297).

1345455879 is an equidigital number, since it uses as much as digits as its factorization.

1345455879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448485296.

The product of its digits is 3024000, while the sum is 51.

The square root of 1345455879 is about 36680.4563630280. The cubic root of 1345455879 is about 1103.9680049079.

The spelling of 1345455879 in words is "one billion, three hundred forty-five million, four hundred fifty-five thousand, eight hundred seventy-nine".