1345464312 has 32 divisors (see below), whose sum is σ = 3418806480. Its totient is φ = 441135360.

The previous prime is 1345464311. The next prime is 1345464349. The reversal of 1345464312 is 2134645431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345464311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458053 + ... + 460980.

Almost surely, 2^1345464312 is an apocalyptic number.

1345464312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345464312 is an abundant number, since it is smaller than the sum of its proper divisors (2073342168).

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

1345464312 is a wasteful number, since it uses less digits than its factorization.

1345464312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919103 (or 919099 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 1345464312 is about 36680.5713150709. The cubic root of 1345464312 is about 1103.9703113734.

The spelling of 1345464312 in words is "one billion, three hundred forty-five million, four hundred sixty-four thousand, three hundred twelve".