1345132173 has 48 divisors (see below), whose sum is σ = 2285369856. Its totient is φ = 695892960.

The previous prime is 1345132169. The next prime is 1345132177. The reversal of 1345132173 is 3712315431.

It is an interprime number because it is at equal distance from previous prime (1345132169) and next prime (1345132177).

It is not a de Polignac number, because 1345132173 - 2² = 1345132169 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345132173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345132177) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 423690 + ... + 426852.

It is an arithmetic number, because the mean of its divisors is an integer number (47611872).

Almost surely, 2^1345132173 is an apocalyptic number.

It is an amenable number.

1345132173 is a deficient number, since it is larger than the sum of its proper divisors (940237683).

1345132173 is a wasteful number, since it uses less digits than its factorization.

1345132173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 3447 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 1345132173 is about 36676.0435843344. The cubic root of 1345132173 is about 1103.8794624950.

The spelling of 1345132173 in words is "one billion, three hundred forty-five million, one hundred thirty-two thousand, one hundred seventy-three".