1345240304 has 20 divisors (see below), whose sum is σ = 2622398376. Its totient is φ = 668492352.

The previous prime is 1345240249. The next prime is 1345240333. The reversal of 1345240304 is 4030425431.

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, 255299 + ... + 260514.

Almost surely, 2^1345240304 is an apocalyptic number.

It is an amenable number.

1345240304 is a deficient number, since it is larger than the sum of its proper divisors (1277158072).

1345240304 is a wasteful number, since it uses less digits than its factorization.

1345240304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515984 (or 515978 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1345240304 is about 36677.5176913596. The cubic root of 1345240304 is about 1103.9090408502.

Adding to 1345240304 its reverse (4030425431), we get a palindrome (5375665735).

The spelling of 1345240304 in words is "one billion, three hundred forty-five million, two hundred forty thousand, three hundred four".