1345911432 has 16 divisors (see below), whose sum is σ = 3364778640. Its totient is φ = 448637136.

The previous prime is 1345911421. The next prime is 1345911461. The reversal of 1345911432 is 2341195431.

It is a super-2 number, since 2×1345911432² = 3622955165576581248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345911393 and 1345911402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28039798 + ... + 28039845.

It is an arithmetic number, because the mean of its divisors is an integer number (210298665).

Almost surely, 2^1345911432 is an apocalyptic number.

1345911432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345911432 is an abundant number, since it is smaller than the sum of its proper divisors (2018867208).

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

1345911432 is a wasteful number, since it uses less digits than its factorization.

1345911432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56079652 (or 56079648 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1345911432 is about 36686.6655884669. The cubic root of 1345911432 is about 1104.0925870155.

The spelling of 1345911432 in words is "one billion, three hundred forty-five million, nine hundred eleven thousand, four hundred thirty-two".