1745345 has 16 divisors (see below), whose sum is σ = 2446848. Its totient is φ = 1170240.

The previous prime is 1745333. The next prime is 1745351. The reversal of 1745345 is 5435471.

It is not a de Polignac number, because 1745345 - 2⁶ = 1745281 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (152928).

2^1745345 is an apocalyptic number.

It is an amenable number.

1745345 is a deficient number, since it is larger than the sum of its proper divisors (701503).

1745345 is a wasteful number, since it uses less digits than its factorization.

1745345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its digits is 8400, while the sum is 29.

The square root of 1745345 is about 1321.1150593343. The cubic root of 1745345 is about 120.4001686881.

The spelling of 1745345 in words is "one million, seven hundred forty-five thousand, three hundred forty-five".