1345345600 has 42 divisors (see below), whose sum is σ = 3310394954. Its totient is φ = 538137600.

The previous prime is 1345345591. The next prime is 1345345619. The reversal of 1345345600 is 65435431.

It can be written as a sum of positive squares in 3 ways, for example, as 232989696 + 1112355904 = 15264^2 + 33352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418821 + ... + 422020.

Almost surely, 2^1345345600 is an apocalyptic number.

1345345600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345345600 is an abundant number, since it is smaller than the sum of its proper divisors (1965049354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345345600 is an equidigital number, since it uses as much as digits as its factorization.

1345345600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840863 (or 840848 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1345345600 is about 36678.9530930205. The cubic root of 1345345600 is about 1103.9378421911.

The spelling of 1345345600 in words is "one billion, three hundred forty-five million, three hundred forty-five thousand, six hundred".