1343852645 has 4 divisors (see below), whose sum is σ = 1612623180. Its totient is φ = 1075082112.

The previous prime is 1343852633. The next prime is 1343852651. The reversal of 1343852645 is 5462583431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5462583431 = 211 ⋅25889021.

It can be written as a sum of positive squares in 2 ways, for example, as 491154244 + 852698401 = 22162^2 + 29201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343852645 - 2⁶ = 1343852581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 134385260 + ... + 134385269.

It is an arithmetic number, because the mean of its divisors is an integer number (403155795).

Almost surely, 2^1343852645 is an apocalyptic number.

It is an amenable number.

1343852645 is a deficient number, since it is larger than the sum of its proper divisors (268770535).

1343852645 is an equidigital number, since it uses as much as digits as its factorization.

1343852645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268770534.

The product of its digits is 345600, while the sum is 41.

The square root of 1343852645 is about 36658.5957859818. The cubic root of 1343852645 is about 1103.5293376030.

The spelling of 1343852645 in words is "one billion, three hundred forty-three million, eight hundred fifty-two thousand, six hundred forty-five".