1345205144 has 16 divisors (see below), whose sum is σ = 2529492000. Its totient is φ = 670673952.

The previous prime is 1345205129. The next prime is 1345205159. The reversal of 1345205144 is 4415025431.

It is an interprime number because it is at equal distance from previous prime (1345205129) and next prime (1345205159).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238112 + ... + 243695.

It is an arithmetic number, because the mean of its divisors is an integer number (158093250).

Almost surely, 2^1345205144 is an apocalyptic number.

It is an amenable number.

1345205144 is a deficient number, since it is larger than the sum of its proper divisors (1184286856).

1345205144 is a wasteful number, since it uses less digits than its factorization.

1345205144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482162 (or 482158 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1345205144 is about 36677.0383755286. The cubic root of 1345205144 is about 1103.8994232922.

The spelling of 1345205144 in words is "one billion, three hundred forty-five million, two hundred five thousand, one hundred forty-four".