1345504312 has 8 divisors (see below), whose sum is σ = 2522820600. Its totient is φ = 672752152.

The previous prime is 1345504309. The next prime is 1345504313. The reversal of 1345504312 is 2134055431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1345504312² = 3620763707221186688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345504313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84094012 + ... + 84094027.

It is an arithmetic number, because the mean of its divisors is an integer number (315352575).

Almost surely, 2^1345504312 is an apocalyptic number.

It is an amenable number.

1345504312 is a deficient number, since it is larger than the sum of its proper divisors (1177316288).

1345504312 is a wasteful number, since it uses less digits than its factorization.

1345504312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168188045 (or 168188041 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1345504312 is about 36681.1165587963. The cubic root of 1345504312 is about 1103.9812514319.

Adding to 1345504312 its reverse (2134055431), we get a palindrome (3479559743).

The spelling of 1345504312 in words is "one billion, three hundred forty-five million, five hundred four thousand, three hundred twelve".