1860145 has 8 divisors (see below), whose sum is σ = 2551104. Its totient is φ = 1275504.

The previous prime is 1860143. The next prime is 1860163. The reversal of 1860145 is 5410681.

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 1860145 - 2¹ = 1860143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1860143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26539 + ... + 26608.

It is an arithmetic number, because the mean of its divisors is an integer number (318888).

2^1860145 is an apocalyptic number.

It is an amenable number.

1860145 is a deficient number, since it is larger than the sum of its proper divisors (690959).

1860145 is an equidigital number, since it uses as much as digits as its factorization.

1860145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53159.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1860145 is about 1363.8713282418. The cubic root of 1860145 is about 122.9840903035.

The spelling of 1860145 in words is "one million, eight hundred sixty thousand, one hundred forty-five".