1345304345 has 64 divisors (see below), whose sum is σ = 2104496640. Its totient is φ = 801024000.

The previous prime is 1345304327. The next prime is 1345304357. The reversal of 1345304345 is 5434035431.

It is not a de Polignac number, because 1345304345 - 2⁶ = 1345304281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1127069 + ... + 1128261.

It is an arithmetic number, because the mean of its divisors is an integer number (32882760).

Almost surely, 2^1345304345 is an apocalyptic number.

It is an amenable number.

1345304345 is a deficient number, since it is larger than the sum of its proper divisors (759192295).

1345304345 is a wasteful number, since it uses less digits than its factorization.

1345304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

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

The square root of 1345304345 is about 36678.3907089720. The cubic root of 1345304345 is about 1103.9265579974.

Adding to 1345304345 its reverse (5434035431), we get a palindrome (6779339776).

The spelling of 1345304345 in words is "one billion, three hundred forty-five million, three hundred four thousand, three hundred forty-five".