1085145 has 16 divisors (see below), whose sum is σ = 1761792. Its totient is φ = 570240.

The previous prime is 1085143. The next prime is 1085153. The reversal of 1085145 is 5415801.

It is not a de Polignac number, because 1085145 - 2¹ = 1085143 is a prime.

It is a Curzon number.

1085145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1085141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (110112).

2^1085145 is an apocalyptic number.

1085145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085145 is a deficient number, since it is larger than the sum of its proper divisors (676647).

1085145 is an equidigital number, since it uses as much as digits as its factorization.

1085145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1085145 is about 1041.7029327020. The cubic root of 1085145 is about 102.7612214762.

It can be divided in two parts, 108 and 5145, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 1085145 in words is "one million, eighty-five thousand, one hundred forty-five".