1345053344 has 24 divisors (see below), whose sum is σ = 2672828928. Its totient is φ = 666239680.

The previous prime is 1345053319. The next prime is 1345053349. The reversal of 1345053344 is 4433505431.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1345053344.

It is not an unprimeable number, because it can be changed into a prime (1345053349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192992 + ... + 199839.

It is an arithmetic number, because the mean of its divisors is an integer number (111367872).

Almost surely, 2^1345053344 is an apocalyptic number.

It is an amenable number.

1345053344 is a deficient number, since it is larger than the sum of its proper divisors (1327775584).

1345053344 is a wasteful number, since it uses less digits than its factorization.

1345053344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392948 (or 392940 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 1345053344 is about 36674.9689025090. The cubic root of 1345053344 is about 1103.8578984643.

Adding to 1345053344 its reverse (4433505431), we get a palindrome (5778558775).

The spelling of 1345053344 in words is "one billion, three hundred forty-five million, fifty-three thousand, three hundred forty-four".