1705383145 has 8 divisors (see below), whose sum is σ = 2047567104. Its totient is φ = 1363568304.

The previous prime is 1705383137. The next prime is 1705383157. The reversal of 1705383145 is 5413835071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1705383145 - 2³ = 1705383137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82009 + ... + 100678.

It is an arithmetic number, because the mean of its divisors is an integer number (255945888).

Almost surely, 2^1705383145 is an apocalyptic number.

It is an amenable number.

1705383145 is a deficient number, since it is larger than the sum of its proper divisors (342183959).

1705383145 is a wasteful number, since it uses less digits than its factorization.

1705383145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184559.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1705383145 is about 41296.2848813304. The cubic root of 1705383145 is about 1194.7416083192.

The spelling of 1705383145 in words is "one billion, seven hundred five million, three hundred eighty-three thousand, one hundred forty-five".