1345080173 has 4 divisors (see below), whose sum is σ = 1388469888. Its totient is φ = 1301690460.

The previous prime is 1345080151. The next prime is 1345080179. The reversal of 1345080173 is 3710805431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345080173 - 2⁶ = 1345080109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345080179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21694811 + ... + 21694872.

It is an arithmetic number, because the mean of its divisors is an integer number (347117472).

Almost surely, 2^1345080173 is an apocalyptic number.

It is an amenable number.

1345080173 is a deficient number, since it is larger than the sum of its proper divisors (43389715).

1345080173 is an equidigital number, since it uses as much as digits as its factorization.

1345080173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43389714.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1345080173 is about 36675.3346678664. The cubic root of 1345080173 is about 1103.8652377536.

The spelling of 1345080173 in words is "one billion, three hundred forty-five million, eighty thousand, one hundred seventy-three".