1345349044 has 12 divisors (see below), whose sum is σ = 2535465604. Its totient is φ = 620930304.

The previous prime is 1345349029. The next prime is 1345349053. The reversal of 1345349044 is 4409435431.

It can be written as a sum of positive squares in 2 ways, for example, as 526702500 + 818646544 = 22950^2 + 28612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1345348994 and 1345349012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12935997 + ... + 12936100.

Almost surely, 2^1345349044 is an apocalyptic number.

It is an amenable number.

1345349044 is a deficient number, since it is larger than the sum of its proper divisors (1190116560).

1345349044 is a wasteful number, since it uses less digits than its factorization.

1345349044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25872114 (or 25872112 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 1345349044 is about 36679.0000408953. Note that the first 4 decimals coincide. The cubic root of 1345349044 is about 1103.9387841941.

The spelling of 1345349044 in words is "one billion, three hundred forty-five million, three hundred forty-nine thousand, forty-four".