1008145 has 4 divisors (see below), whose sum is σ = 1209780. Its totient is φ = 806512.

The previous prime is 1008131. The next prime is 1008157. The reversal of 1008145 is 5418001.

1008145 = 313² + 314² + ... + 322².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5418001 = 1093 ⋅4957.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 762129 = 496^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008145 - 2⁷ = 1008017 is a prime.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100810 + ... + 100819.

It is an arithmetic number, because the mean of its divisors is an integer number (302445).

2^1008145 is an apocalyptic number.

It is an amenable number.

1008145 is a deficient number, since it is larger than the sum of its proper divisors (201635).

1008145 is an equidigital number, since it uses as much as digits as its factorization.

1008145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201634.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1008145 is about 1004.0642409727. The cubic root of 1008145 is about 100.2707661950.

The spelling of 1008145 in words is "one million, eight thousand, one hundred forty-five".