1345523056 has 20 divisors (see below), whose sum is σ = 2677410232. Its totient is φ = 654578496.

The previous prime is 1345523029. The next prime is 1345523071. The reversal of 1345523056 is 6503255431.

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, 1135830 + ... + 1137013.

Almost surely, 2^1345523056 is an apocalyptic number.

1345523056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345523056 is a deficient number, since it is larger than the sum of its proper divisors (1331887176).

1345523056 is a wasteful number, since it uses less digits than its factorization.

1345523056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272888 (or 2272882 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 1345523056 is about 36681.3720572173. The cubic root of 1345523056 is about 1103.9863778687.

Adding to 1345523056 its reverse (6503255431), we get a palindrome (7848778487).

The spelling of 1345523056 in words is "one billion, three hundred forty-five million, five hundred twenty-three thousand, fifty-six".