1342668845 has 18 divisors (see below), whose sum is σ = 1875057066. Its totient is φ = 920293920.

The previous prime is 1342668827. The next prime is 1342668893. The reversal of 1342668845 is 5488662431.

It can be written as a sum of positive squares in 3 ways, for example, as 282710596 + 1059958249 = 16814^2 + 32557^2 .

It is not a de Polignac number, because 1342668845 - 2⁸ = 1342668589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342668845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 572375 + ... + 574715.

It is an arithmetic number, because the mean of its divisors is an integer number (104169837).

Almost surely, 2^1342668845 is an apocalyptic number.

It is an amenable number.

1342668845 is a deficient number, since it is larger than the sum of its proper divisors (532388221).

1342668845 is an frugal number, since it uses more digits than its factorization.

1342668845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701 (or 2353 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 1342668845 is about 36642.4459472891. The cubic root of 1342668845 is about 1103.2052093555.

The spelling of 1342668845 in words is "one billion, three hundred forty-two million, six hundred sixty-eight thousand, eight hundred forty-five".